Home / 79,010.20-118,439.70-39,527.56

Finding the Fourth Proportional to 79,010.20, 118,439.70 and 39,527.56

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Solution

The fourth proportional to 79,010.20, 118,439.70 and 39,527.56 is: 59,253.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,010.20 : 118,439.70 = 39,527.56 : x
  2. Step 2: Convert to fraction form
    79,010.20/118,439.70 = 39,527.56/x
  3. Step 3: Cross multiply
    79,010.20x = 118,439.70 × 39,527.56
  4. Step 4: Simplify right side
    79,010.20x = 4,681,632,348.13
  5. Step 5: Solve for x
    x = 4,681,632,348.13/79,010.20
  6. Step 6: Final answer
    x = 59,253.52

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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.