Home / 92,111.47-127,112.35-51,825.21

Finding the Fourth Proportional to 92,111.47, 127,112.35 and 51,825.21

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Solution

The fourth proportional to 92,111.47, 127,112.35 and 51,825.21 is: 71,517.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,111.47 : 127,112.35 = 51,825.21 : x
  2. Step 2: Convert to fraction form
    92,111.47/127,112.35 = 51,825.21/x
  3. Step 3: Cross multiply
    92,111.47x = 127,112.35 × 51,825.21
  4. Step 4: Simplify right side
    92,111.47x = 6,587,624,232.34
  5. Step 5: Solve for x
    x = 6,587,624,232.34/92,111.47
  6. Step 6: Final answer
    x = 71,517.96

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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.