Home / 78,952.68-118,429.02-32,209.20

Finding the Fourth Proportional to 78,952.68, 118,429.02 and 32,209.20

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Solution

The fourth proportional to 78,952.68, 118,429.02 and 32,209.20 is: 48,313.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,952.68 : 118,429.02 = 32,209.20 : x
  2. Step 2: Convert to fraction form
    78,952.68/118,429.02 = 32,209.20/x
  3. Step 3: Cross multiply
    78,952.68x = 118,429.02 × 32,209.20
  4. Step 4: Simplify right side
    78,952.68x = 3,814,503,990.98
  5. Step 5: Solve for x
    x = 3,814,503,990.98/78,952.68
  6. Step 6: Final answer
    x = 48,313.80

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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.