Home / 67,424.15-101,147.20-25,307.55

Finding the Fourth Proportional to 67,424.15, 101,147.20 and 25,307.55

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Solution

The fourth proportional to 67,424.15, 101,147.20 and 25,307.55 is: 37,965.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,424.15 : 101,147.20 = 25,307.55 : x
  2. Step 2: Convert to fraction form
    67,424.15/101,147.20 = 25,307.55/x
  3. Step 3: Cross multiply
    67,424.15x = 101,147.20 × 25,307.55
  4. Step 4: Simplify right side
    67,424.15x = 2,559,787,758.09
  5. Step 5: Solve for x
    x = 2,559,787,758.09/67,424.15
  6. Step 6: Final answer
    x = 37,965.44

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1.5x scale

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.