Home / 90,381.76-124,726.50-50,095.13

Finding the Fourth Proportional to 90,381.76, 124,726.50 and 50,095.13

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Solution

The fourth proportional to 90,381.76, 124,726.50 and 50,095.13 is: 69,131.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,381.76 : 124,726.50 = 50,095.13 : x
  2. Step 2: Convert to fraction form
    90,381.76/124,726.50 = 50,095.13/x
  3. Step 3: Cross multiply
    90,381.76x = 124,726.50 × 50,095.13
  4. Step 4: Simplify right side
    90,381.76x = 6,248,189,608.31
  5. Step 5: Solve for x
    x = 6,248,189,608.31/90,381.76
  6. Step 6: Final answer
    x = 69,131.09

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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.