Home / 89,610.24-134,307.36-39,633.78

Finding the Fourth Proportional to 89,610.24, 134,307.36 and 39,633.78

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Solution

The fourth proportional to 89,610.24, 134,307.36 and 39,633.78 is: 59,402.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,610.24 : 134,307.36 = 39,633.78 : x
  2. Step 2: Convert to fraction form
    89,610.24/134,307.36 = 39,633.78/x
  3. Step 3: Cross multiply
    89,610.24x = 134,307.36 × 39,633.78
  4. Step 4: Simplify right side
    89,610.24x = 5,323,108,358.62
  5. Step 5: Solve for x
    x = 5,323,108,358.62/89,610.24
  6. Step 6: Final answer
    x = 59,402.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.