Home / 52,126.10-71,934.12-28,252.77

Finding the Fourth Proportional to 52,126.10, 71,934.12 and 28,252.77

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Solution

The fourth proportional to 52,126.10, 71,934.12 and 28,252.77 is: 38,988.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,126.10 : 71,934.12 = 28,252.77 : x
  2. Step 2: Convert to fraction form
    52,126.10/71,934.12 = 28,252.77/x
  3. Step 3: Cross multiply
    52,126.10x = 71,934.12 × 28,252.77
  4. Step 4: Simplify right side
    52,126.10x = 2,032,338,147.51
  5. Step 5: Solve for x
    x = 2,032,338,147.51/52,126.10
  6. Step 6: Final answer
    x = 38,988.88

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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.