Home / 67,557.07-101,350.10-20,175.90

Finding the Fourth Proportional to 67,557.07, 101,350.10 and 20,175.90

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Solution

The fourth proportional to 67,557.07, 101,350.10 and 20,175.90 is: 30,268.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,557.07 : 101,350.10 = 20,175.90 : x
  2. Step 2: Convert to fraction form
    67,557.07/101,350.10 = 20,175.90/x
  3. Step 3: Cross multiply
    67,557.07x = 101,350.10 × 20,175.90
  4. Step 4: Simplify right side
    67,557.07x = 2,044,829,482.59
  5. Step 5: Solve for x
    x = 2,044,829,482.59/67,557.07
  6. Step 6: Final answer
    x = 30,268.18

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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.