Home / 52,082.64-71,874-29,422.68

Finding the Fourth Proportional to 52,082.64, 71,874 and 29,422.68

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Solution

The fourth proportional to 52,082.64, 71,874 and 29,422.68 is: 40,603.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,082.64 : 71,874 = 29,422.68 : x
  2. Step 2: Convert to fraction form
    52,082.64/71,874 = 29,422.68/x
  3. Step 3: Cross multiply
    52,082.64x = 71,874 × 29,422.68
  4. Step 4: Simplify right side
    52,082.64x = 2,114,725,702.32
  5. Step 5: Solve for x
    x = 2,114,725,702.32/52,082.64
  6. Step 6: Final answer
    x = 40,603.27

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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.