Home / 89,010.52-133,561.80-39,125.64

Finding the Fourth Proportional to 89,010.52, 133,561.80 and 39,125.64

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Solution

The fourth proportional to 89,010.52, 133,561.80 and 39,125.64 is: 58,708.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,010.52 : 133,561.80 = 39,125.64 : x
  2. Step 2: Convert to fraction form
    89,010.52/133,561.80 = 39,125.64/x
  3. Step 3: Cross multiply
    89,010.52x = 133,561.80 × 39,125.64
  4. Step 4: Simplify right side
    89,010.52x = 5,225,690,904.55
  5. Step 5: Solve for x
    x = 5,225,690,904.55/89,010.52
  6. Step 6: Final answer
    x = 58,708.69

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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.