Home / 113,718.40-156,932-62,732.92

Finding the Fourth Proportional to 113,718.40, 156,932 and 62,732.92

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Solution

The fourth proportional to 113,718.40, 156,932 and 62,732.92 is: 86,571.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,718.40 : 156,932 = 62,732.92 : x
  2. Step 2: Convert to fraction form
    113,718.40/156,932 = 62,732.92/x
  3. Step 3: Cross multiply
    113,718.40x = 156,932 × 62,732.92
  4. Step 4: Simplify right side
    113,718.40x = 9,844,802,601.44
  5. Step 5: Solve for x
    x = 9,844,802,601.44/113,718.40
  6. Step 6: Final answer
    x = 86,571.77

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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.