Home / 52,042.09-71,818.28-28,168.75

Finding the Fourth Proportional to 52,042.09, 71,818.28 and 28,168.75

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Solution

The fourth proportional to 52,042.09, 71,818.28 and 28,168.75 is: 38,872.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,042.09 : 71,818.28 = 28,168.75 : x
  2. Step 2: Convert to fraction form
    52,042.09/71,818.28 = 28,168.75/x
  3. Step 3: Cross multiply
    52,042.09x = 71,818.28 × 28,168.75
  4. Step 4: Simplify right side
    52,042.09x = 2,023,031,174.75
  5. Step 5: Solve for x
    x = 2,023,031,174.75/52,042.09
  6. Step 6: Final answer
    x = 38,872.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.