Home / 52,645.27-72,655.16-29,979.31

Finding the Fourth Proportional to 52,645.27, 72,655.16 and 29,979.31

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Solution

The fourth proportional to 52,645.27, 72,655.16 and 29,979.31 is: 41,374.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,645.27 : 72,655.16 = 29,979.31 : x
  2. Step 2: Convert to fraction form
    52,645.27/72,655.16 = 29,979.31/x
  3. Step 3: Cross multiply
    52,645.27x = 72,655.16 × 29,979.31
  4. Step 4: Simplify right side
    52,645.27x = 2,178,151,414.84
  5. Step 5: Solve for x
    x = 2,178,151,414.84/52,645.27
  6. Step 6: Final answer
    x = 41,374.11

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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.