Home / 67,177.41-100,173.45-66,577.83

Finding the Fourth Proportional to 67,177.41, 100,173.45 and 66,577.83

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Solution

The fourth proportional to 67,177.41, 100,173.45 and 66,577.83 is: 99,279.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,177.41 : 100,173.45 = 66,577.83 : x
  2. Step 2: Convert to fraction form
    67,177.41/100,173.45 = 66,577.83/x
  3. Step 3: Cross multiply
    67,177.41x = 100,173.45 × 66,577.83
  4. Step 4: Simplify right side
    67,177.41x = 6,669,330,924.61
  5. Step 5: Solve for x
    x = 6,669,330,924.61/67,177.41
  6. Step 6: Final answer
    x = 99,279.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.