Home / 113,746.94-156,972.40-62,761.90

Finding the Fourth Proportional to 113,746.94, 156,972.40 and 62,761.90

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Solution

The fourth proportional to 113,746.94, 156,972.40 and 62,761.90 is: 86,612.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,746.94 : 156,972.40 = 62,761.90 : x
  2. Step 2: Convert to fraction form
    113,746.94/156,972.40 = 62,761.90/x
  3. Step 3: Cross multiply
    113,746.94x = 156,972.40 × 62,761.90
  4. Step 4: Simplify right side
    113,746.94x = 9,851,886,071.56
  5. Step 5: Solve for x
    x = 9,851,886,071.56/113,746.94
  6. Step 6: Final answer
    x = 86,612.32

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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.