Home / 91,521.32-126,301.56-51,234.08

Finding the Fourth Proportional to 91,521.32, 126,301.56 and 51,234.08

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Solution

The fourth proportional to 91,521.32, 126,301.56 and 51,234.08 is: 70,704.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,521.32 : 126,301.56 = 51,234.08 : x
  2. Step 2: Convert to fraction form
    91,521.32/126,301.56 = 51,234.08/x
  3. Step 3: Cross multiply
    91,521.32x = 126,301.56 × 51,234.08
  4. Step 4: Simplify right side
    91,521.32x = 6,470,944,229.16
  5. Step 5: Solve for x
    x = 6,470,944,229.16/91,521.32
  6. Step 6: Final answer
    x = 70,704.23

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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.