Home / 89,278.07-123,209.19-59,010.91

Finding the Fourth Proportional to 89,278.07, 123,209.19 and 59,010.91

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Solution

The fourth proportional to 89,278.07, 123,209.19 and 59,010.91 is: 81,438.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,278.07 : 123,209.19 = 59,010.91 : x
  2. Step 2: Convert to fraction form
    89,278.07/123,209.19 = 59,010.91/x
  3. Step 3: Cross multiply
    89,278.07x = 123,209.19 × 59,010.91
  4. Step 4: Simplify right side
    89,278.07x = 7,270,686,114.24
  5. Step 5: Solve for x
    x = 7,270,686,114.24/89,278.07
  6. Step 6: Final answer
    x = 81,438.66

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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.