Home / 110,134.48-151,951.45-61,729.70

Finding the Fourth Proportional to 110,134.48, 151,951.45 and 61,729.70

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Solution

The fourth proportional to 110,134.48, 151,951.45 and 61,729.70 is: 85,167.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,134.48 : 151,951.45 = 61,729.70 : x
  2. Step 2: Convert to fraction form
    110,134.48/151,951.45 = 61,729.70/x
  3. Step 3: Cross multiply
    110,134.48x = 151,951.45 × 61,729.70
  4. Step 4: Simplify right side
    110,134.48x = 9,379,917,423.07
  5. Step 5: Solve for x
    x = 9,379,917,423.07/110,134.48
  6. Step 6: Final answer
    x = 85,167.85

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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.