Home / 67,681.74-101,544.48-28,250.13

Finding the Fourth Proportional to 67,681.74, 101,544.48 and 28,250.13

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Solution

The fourth proportional to 67,681.74, 101,544.48 and 28,250.13 is: 42,384.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,681.74 : 101,544.48 = 28,250.13 : x
  2. Step 2: Convert to fraction form
    67,681.74/101,544.48 = 28,250.13/x
  3. Step 3: Cross multiply
    67,681.74x = 101,544.48 × 28,250.13
  4. Step 4: Simplify right side
    67,681.74x = 2,868,644,760.78
  5. Step 5: Solve for x
    x = 2,868,644,760.78/67,681.74
  6. Step 6: Final answer
    x = 42,384.32

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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.