Home / 113,643.28-156,828.57-62,657.83

Finding the Fourth Proportional to 113,643.28, 156,828.57 and 62,657.83

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Solution

The fourth proportional to 113,643.28, 156,828.57 and 62,657.83 is: 86,468.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,643.28 : 156,828.57 = 62,657.83 : x
  2. Step 2: Convert to fraction form
    113,643.28/156,828.57 = 62,657.83/x
  3. Step 3: Cross multiply
    113,643.28x = 156,828.57 × 62,657.83
  4. Step 4: Simplify right side
    113,643.28x = 9,826,537,878.20
  5. Step 5: Solve for x
    x = 9,826,537,878.20/113,643.28
  6. Step 6: Final answer
    x = 86,468.27

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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.