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Finding the Fourth Proportional to 79,280.92, 118,941.20 and 55,952.92

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Solution

The fourth proportional to 79,280.92, 118,941.20 and 55,952.92 is: 83,943.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,280.92 : 118,941.20 = 55,952.92 : x
  2. Step 2: Convert to fraction form
    79,280.92/118,941.20 = 55,952.92/x
  3. Step 3: Cross multiply
    79,280.92x = 118,941.20 × 55,952.92
  4. Step 4: Simplify right side
    79,280.92x = 6,655,107,448.30
  5. Step 5: Solve for x
    x = 6,655,107,448.30/79,280.92
  6. Step 6: Final answer
    x = 83,943.37

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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.