Home / 74,187.27-102,385.76-42,360.96

Finding the Fourth Proportional to 74,187.27, 102,385.76 and 42,360.96

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Solution

The fourth proportional to 74,187.27, 102,385.76 and 42,360.96 is: 58,462.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,187.27 : 102,385.76 = 42,360.96 : x
  2. Step 2: Convert to fraction form
    74,187.27/102,385.76 = 42,360.96/x
  3. Step 3: Cross multiply
    74,187.27x = 102,385.76 × 42,360.96
  4. Step 4: Simplify right side
    74,187.27x = 4,337,158,677.90
  5. Step 5: Solve for x
    x = 4,337,158,677.90/74,187.27
  6. Step 6: Final answer
    x = 58,462.30

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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.