Home / 52,081.29-78,125.58-25,778.97

Finding the Fourth Proportional to 52,081.29, 78,125.58 and 25,778.97

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Solution

The fourth proportional to 52,081.29, 78,125.58 and 25,778.97 is: 38,670.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,081.29 : 78,125.58 = 25,778.97 : x
  2. Step 2: Convert to fraction form
    52,081.29/78,125.58 = 25,778.97/x
  3. Step 3: Cross multiply
    52,081.29x = 78,125.58 × 25,778.97
  4. Step 4: Simplify right side
    52,081.29x = 2,013,996,983.05
  5. Step 5: Solve for x
    x = 2,013,996,983.05/52,081.29
  6. Step 6: Final answer
    x = 38,670.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.