Home / 74,876.13-103,402.98-58,932.90

Finding the Fourth Proportional to 74,876.13, 103,402.98 and 58,932.90

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Solution

The fourth proportional to 74,876.13, 103,402.98 and 58,932.90 is: 81,385.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,876.13 : 103,402.98 = 58,932.90 : x
  2. Step 2: Convert to fraction form
    74,876.13/103,402.98 = 58,932.90/x
  3. Step 3: Cross multiply
    74,876.13x = 103,402.98 × 58,932.90
  4. Step 4: Simplify right side
    74,876.13x = 6,093,837,480.04
  5. Step 5: Solve for x
    x = 6,093,837,480.04/74,876.13
  6. Step 6: Final answer
    x = 81,385.58

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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.