Home / 89,239.24-123,133.09-51,010.90

Finding the Fourth Proportional to 89,239.24, 123,133.09 and 51,010.90

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Solution

The fourth proportional to 89,239.24, 123,133.09 and 51,010.90 is: 70,385.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,239.24 : 123,133.09 = 51,010.90 : x
  2. Step 2: Convert to fraction form
    89,239.24/123,133.09 = 51,010.90/x
  3. Step 3: Cross multiply
    89,239.24x = 123,133.09 × 51,010.90
  4. Step 4: Simplify right side
    89,239.24x = 6,281,129,740.68
  5. Step 5: Solve for x
    x = 6,281,129,740.68/89,239.24
  6. Step 6: Final answer
    x = 70,385.29

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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.