Home / 67,451.45-101,177.57-30,002.72

Finding the Fourth Proportional to 67,451.45, 101,177.57 and 30,002.72

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Solution

The fourth proportional to 67,451.45, 101,177.57 and 30,002.72 is: 45,004.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,451.45 : 101,177.57 = 30,002.72 : x
  2. Step 2: Convert to fraction form
    67,451.45/101,177.57 = 30,002.72/x
  3. Step 3: Cross multiply
    67,451.45x = 101,177.57 × 30,002.72
  4. Step 4: Simplify right side
    67,451.45x = 3,035,601,872.11
  5. Step 5: Solve for x
    x = 3,035,601,872.11/67,451.45
  6. Step 6: Final answer
    x = 45,004.25

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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.