Home / 113,818.66-157,078.44-62,841.20

Finding the Fourth Proportional to 113,818.66, 157,078.44 and 62,841.20

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Solution

The fourth proportional to 113,818.66, 157,078.44 and 62,841.20 is: 86,725.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,818.66 : 157,078.44 = 62,841.20 : x
  2. Step 2: Convert to fraction form
    113,818.66/157,078.44 = 62,841.20/x
  3. Step 3: Cross multiply
    113,818.66x = 157,078.44 × 62,841.20
  4. Step 4: Simplify right side
    113,818.66x = 9,870,997,349.52
  5. Step 5: Solve for x
    x = 9,870,997,349.52/113,818.66
  6. Step 6: Final answer
    x = 86,725.65

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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.