Home / 113,720.77-156,932.15-62,733.54

Finding the Fourth Proportional to 113,720.77, 156,932.15 and 62,733.54

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Solution

The fourth proportional to 113,720.77, 156,932.15 and 62,733.54 is: 86,570.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,720.77 : 156,932.15 = 62,733.54 : x
  2. Step 2: Convert to fraction form
    113,720.77/156,932.15 = 62,733.54/x
  3. Step 3: Cross multiply
    113,720.77x = 156,932.15 × 62,733.54
  4. Step 4: Simplify right side
    113,720.77x = 9,844,909,309.31
  5. Step 5: Solve for x
    x = 9,844,909,309.31/113,720.77
  6. Step 6: Final answer
    x = 86,570.90

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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.