Home / 74,408.16-102,654.18-42,560.04

Finding the Fourth Proportional to 74,408.16, 102,654.18 and 42,560.04

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Solution

The fourth proportional to 74,408.16, 102,654.18 and 42,560.04 is: 58,716.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,408.16 : 102,654.18 = 42,560.04 : x
  2. Step 2: Convert to fraction form
    74,408.16/102,654.18 = 42,560.04/x
  3. Step 3: Cross multiply
    74,408.16x = 102,654.18 × 42,560.04
  4. Step 4: Simplify right side
    74,408.16x = 4,368,966,006.97
  5. Step 5: Solve for x
    x = 4,368,966,006.97/74,408.16
  6. Step 6: Final answer
    x = 58,716.22

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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.