Home / 74,320.03-102,646.82-48,939.86

Finding the Fourth Proportional to 74,320.03, 102,646.82 and 48,939.86

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Solution

The fourth proportional to 74,320.03, 102,646.82 and 48,939.86 is: 67,593.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,320.03 : 102,646.82 = 48,939.86 : x
  2. Step 2: Convert to fraction form
    74,320.03/102,646.82 = 48,939.86/x
  3. Step 3: Cross multiply
    74,320.03x = 102,646.82 × 48,939.86
  4. Step 4: Simplify right side
    74,320.03x = 5,023,521,000.25
  5. Step 5: Solve for x
    x = 5,023,521,000.25/74,320.03
  6. Step 6: Final answer
    x = 67,593.10

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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.