Home / 52,259.28-72,117-29,288.76

Finding the Fourth Proportional to 52,259.28, 72,117 and 29,288.76

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Solution

The fourth proportional to 52,259.28, 72,117 and 29,288.76 is: 40,418.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,259.28 : 72,117 = 29,288.76 : x
  2. Step 2: Convert to fraction form
    52,259.28/72,117 = 29,288.76/x
  3. Step 3: Cross multiply
    52,259.28x = 72,117 × 29,288.76
  4. Step 4: Simplify right side
    52,259.28x = 2,112,217,504.92
  5. Step 5: Solve for x
    x = 2,112,217,504.92/52,259.28
  6. Step 6: Final answer
    x = 40,418.04

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Double scale
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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.