Home / 92,420.19-127,555.56-52,145.37

Finding the Fourth Proportional to 92,420.19, 127,555.56 and 52,145.37

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Solution

The fourth proportional to 92,420.19, 127,555.56 and 52,145.37 is: 71,969.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,420.19 : 127,555.56 = 52,145.37 : x
  2. Step 2: Convert to fraction form
    92,420.19/127,555.56 = 52,145.37/x
  3. Step 3: Cross multiply
    92,420.19x = 127,555.56 × 52,145.37
  4. Step 4: Simplify right side
    92,420.19x = 6,651,431,871.76
  5. Step 5: Solve for x
    x = 6,651,431,871.76/92,420.19
  6. Step 6: Final answer
    x = 71,969.47

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.