Home / 52,082.29-78,127.08-25,779.97

Finding the Fourth Proportional to 52,082.29, 78,127.08 and 25,779.97

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Solution

The fourth proportional to 52,082.29, 78,127.08 and 25,779.97 is: 38,671.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,082.29 : 78,127.08 = 25,779.97 : x
  2. Step 2: Convert to fraction form
    52,082.29/78,127.08 = 25,779.97/x
  3. Step 3: Cross multiply
    52,082.29x = 78,127.08 × 25,779.97
  4. Step 4: Simplify right side
    52,082.29x = 2,014,113,778.59
  5. Step 5: Solve for x
    x = 2,014,113,778.59/52,082.29
  6. Step 6: Final answer
    x = 38,671.76

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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.