Home / 60,399.40-90,512.70-41,909.80

Finding the Fourth Proportional to 60,399.40, 90,512.70 and 41,909.80

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Solution

The fourth proportional to 60,399.40, 90,512.70 and 41,909.80 is: 62,804.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,399.40 : 90,512.70 = 41,909.80 : x
  2. Step 2: Convert to fraction form
    60,399.40/90,512.70 = 41,909.80/x
  3. Step 3: Cross multiply
    60,399.40x = 90,512.70 × 41,909.80
  4. Step 4: Simplify right side
    60,399.40x = 3,793,369,154.46
  5. Step 5: Solve for x
    x = 3,793,369,154.46/60,399.40
  6. Step 6: Final answer
    x = 62,804.75

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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.