Home / 113,630.73-156,811.19-63,332.97

Finding the Fourth Proportional to 113,630.73, 156,811.19 and 63,332.97

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Solution

The fourth proportional to 113,630.73, 156,811.19 and 63,332.97 is: 87,399.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,630.73 : 156,811.19 = 63,332.97 : x
  2. Step 2: Convert to fraction form
    113,630.73/156,811.19 = 63,332.97/x
  3. Step 3: Cross multiply
    113,630.73x = 156,811.19 × 63,332.97
  4. Step 4: Simplify right side
    113,630.73x = 9,931,318,075.27
  5. Step 5: Solve for x
    x = 9,931,318,075.27/113,630.73
  6. Step 6: Final answer
    x = 87,399.93

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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.