Home / 113,719.77-156,930.77-62,732.54

Finding the Fourth Proportional to 113,719.77, 156,930.77 and 62,732.54

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Solution

The fourth proportional to 113,719.77, 156,930.77 and 62,732.54 is: 86,569.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,719.77 : 156,930.77 = 62,732.54 : x
  2. Step 2: Convert to fraction form
    113,719.77/156,930.77 = 62,732.54/x
  3. Step 3: Cross multiply
    113,719.77x = 156,930.77 × 62,732.54
  4. Step 4: Simplify right side
    113,719.77x = 9,844,666,267.20
  5. Step 5: Solve for x
    x = 9,844,666,267.20/113,719.77
  6. Step 6: Final answer
    x = 86,569.52

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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.