Home / 67,434.10-101,151.15-45,258.10

Finding the Fourth Proportional to 67,434.10, 101,151.15 and 45,258.10

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Solution

The fourth proportional to 67,434.10, 101,151.15 and 45,258.10 is: 67,887.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,434.10 : 101,151.15 = 45,258.10 : x
  2. Step 2: Convert to fraction form
    67,434.10/101,151.15 = 45,258.10/x
  3. Step 3: Cross multiply
    67,434.10x = 101,151.15 × 45,258.10
  4. Step 4: Simplify right side
    67,434.10x = 4,577,908,861.82
  5. Step 5: Solve for x
    x = 4,577,908,861.82/67,434.10
  6. Step 6: Final answer
    x = 67,887.15

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Similar ratio
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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.