Home / 52,085.17-71,877.56-28,211.77

Finding the Fourth Proportional to 52,085.17, 71,877.56 and 28,211.77

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Solution

The fourth proportional to 52,085.17, 71,877.56 and 28,211.77 is: 38,932.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,085.17 : 71,877.56 = 28,211.77 : x
  2. Step 2: Convert to fraction form
    52,085.17/71,877.56 = 28,211.77/x
  3. Step 3: Cross multiply
    52,085.17x = 71,877.56 × 28,211.77
  4. Step 4: Simplify right side
    52,085.17x = 2,027,793,049.82
  5. Step 5: Solve for x
    x = 2,027,793,049.82/52,085.17
  6. Step 6: Final answer
    x = 38,932.25

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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.