Home / 65,512.68-90,379.48-42,812.27

Finding the Fourth Proportional to 65,512.68, 90,379.48 and 42,812.27

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Solution

The fourth proportional to 65,512.68, 90,379.48 and 42,812.27 is: 59,062.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,512.68 : 90,379.48 = 42,812.27 : x
  2. Step 2: Convert to fraction form
    65,512.68/90,379.48 = 42,812.27/x
  3. Step 3: Cross multiply
    65,512.68x = 90,379.48 × 42,812.27
  4. Step 4: Simplify right side
    65,512.68x = 3,869,350,700.22
  5. Step 5: Solve for x
    x = 3,869,350,700.22/65,512.68
  6. Step 6: Final answer
    x = 59,062.62

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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.