Home / 90,951.50-125,521.58-53,225.76

Finding the Fourth Proportional to 90,951.50, 125,521.58 and 53,225.76

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Solution

The fourth proportional to 90,951.50, 125,521.58 and 53,225.76 is: 73,456.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,951.50 : 125,521.58 = 53,225.76 : x
  2. Step 2: Convert to fraction form
    90,951.50/125,521.58 = 53,225.76/x
  3. Step 3: Cross multiply
    90,951.50x = 125,521.58 × 53,225.76
  4. Step 4: Simplify right side
    90,951.50x = 6,680,981,491.90
  5. Step 5: Solve for x
    x = 6,680,981,491.90/90,951.50
  6. Step 6: Final answer
    x = 73,456.53

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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.