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Finding the Fourth Proportional to 59,658.72, 89,293.36 and 43,859.57

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Solution

The fourth proportional to 59,658.72, 89,293.36 and 43,859.57 is: 65,646.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,658.72 : 89,293.36 = 43,859.57 : x
  2. Step 2: Convert to fraction form
    59,658.72/89,293.36 = 43,859.57/x
  3. Step 3: Cross multiply
    59,658.72x = 89,293.36 × 43,859.57
  4. Step 4: Simplify right side
    59,658.72x = 3,916,368,373.46
  5. Step 5: Solve for x
    x = 3,916,368,373.46/59,658.72
  6. Step 6: Final answer
    x = 65,646.20

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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.