Home / 117,044.79-161,523.08-63,330.85

Finding the Fourth Proportional to 117,044.79, 161,523.08 and 63,330.85

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Solution

The fourth proportional to 117,044.79, 161,523.08 and 63,330.85 is: 87,397.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,044.79 : 161,523.08 = 63,330.85 : x
  2. Step 2: Convert to fraction form
    117,044.79/161,523.08 = 63,330.85/x
  3. Step 3: Cross multiply
    117,044.79x = 161,523.08 × 63,330.85
  4. Step 4: Simplify right side
    117,044.79x = 10,229,393,951.02
  5. Step 5: Solve for x
    x = 10,229,393,951.02/117,044.79
  6. Step 6: Final answer
    x = 87,397.26

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1.5x scale

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.