Home / 84,733.80-127,076.40-25,555.20

Finding the Fourth Proportional to 84,733.80, 127,076.40 and 25,555.20

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Solution

The fourth proportional to 84,733.80, 127,076.40 and 25,555.20 is: 38,325.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,733.80 : 127,076.40 = 25,555.20 : x
  2. Step 2: Convert to fraction form
    84,733.80/127,076.40 = 25,555.20/x
  3. Step 3: Cross multiply
    84,733.80x = 127,076.40 × 25,555.20
  4. Step 4: Simplify right side
    84,733.80x = 3,247,462,817.28
  5. Step 5: Solve for x
    x = 3,247,462,817.28/84,733.80
  6. Step 6: Final answer
    x = 38,325.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.