Home / 52,129.17-71,938.41-28,255.94

Finding the Fourth Proportional to 52,129.17, 71,938.41 and 28,255.94

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Solution

The fourth proportional to 52,129.17, 71,938.41 and 28,255.94 is: 38,993.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,129.17 : 71,938.41 = 28,255.94 : x
  2. Step 2: Convert to fraction form
    52,129.17/71,938.41 = 28,255.94/x
  3. Step 3: Cross multiply
    52,129.17x = 71,938.41 × 28,255.94
  4. Step 4: Simplify right side
    52,129.17x = 2,032,687,682.46
  5. Step 5: Solve for x
    x = 2,032,687,682.46/52,129.17
  6. Step 6: Final answer
    x = 38,993.28

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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.