Home / 42,173.04-63,540.64-38,175.24

Finding the Fourth Proportional to 42,173.04, 63,540.64 and 38,175.24

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Solution

The fourth proportional to 42,173.04, 63,540.64 and 38,175.24 is: 57,517.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,173.04 : 63,540.64 = 38,175.24 : x
  2. Step 2: Convert to fraction form
    42,173.04/63,540.64 = 38,175.24/x
  3. Step 3: Cross multiply
    42,173.04x = 63,540.64 × 38,175.24
  4. Step 4: Simplify right side
    42,173.04x = 2,425,679,181.75
  5. Step 5: Solve for x
    x = 2,425,679,181.75/42,173.04
  6. Step 6: Final answer
    x = 57,517.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.