Home / 42,781.62-64,157.07-16,473.14

Finding the Fourth Proportional to 42,781.62, 64,157.07 and 16,473.14

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Solution

The fourth proportional to 42,781.62, 64,157.07 and 16,473.14 is: 24,703.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,781.62 : 64,157.07 = 16,473.14 : x
  2. Step 2: Convert to fraction form
    42,781.62/64,157.07 = 16,473.14/x
  3. Step 3: Cross multiply
    42,781.62x = 64,157.07 × 16,473.14
  4. Step 4: Simplify right side
    42,781.62x = 1,056,868,396.10
  5. Step 5: Solve for x
    x = 1,056,868,396.10/42,781.62
  6. Step 6: Final answer
    x = 24,703.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.