Home / 45,157.16-67,711.05-35,856.92

Finding the Fourth Proportional to 45,157.16, 67,711.05 and 35,856.92

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Solution

The fourth proportional to 45,157.16, 67,711.05 and 35,856.92 is: 53,765.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,157.16 : 67,711.05 = 35,856.92 : x
  2. Step 2: Convert to fraction form
    45,157.16/67,711.05 = 35,856.92/x
  3. Step 3: Cross multiply
    45,157.16x = 67,711.05 × 35,856.92
  4. Step 4: Simplify right side
    45,157.16x = 2,427,909,702.97
  5. Step 5: Solve for x
    x = 2,427,909,702.97/45,157.16
  6. Step 6: Final answer
    x = 53,765.77

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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.