Home / 52,423.17-78,615.30-28,402.71

Finding the Fourth Proportional to 52,423.17, 78,615.30 and 28,402.71

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Solution

The fourth proportional to 52,423.17, 78,615.30 and 28,402.71 is: 42,593.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,423.17 : 78,615.30 = 28,402.71 : x
  2. Step 2: Convert to fraction form
    52,423.17/78,615.30 = 28,402.71/x
  3. Step 3: Cross multiply
    52,423.17x = 78,615.30 × 28,402.71
  4. Step 4: Simplify right side
    52,423.17x = 2,232,887,567.46
  5. Step 5: Solve for x
    x = 2,232,887,567.46/52,423.17
  6. Step 6: Final answer
    x = 42,593.52

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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.