Home / 47,250.64-70,876.50-20,229.35

Finding the Fourth Proportional to 47,250.64, 70,876.50 and 20,229.35

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Solution

The fourth proportional to 47,250.64, 70,876.50 and 20,229.35 is: 30,344.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,250.64 : 70,876.50 = 20,229.35 : x
  2. Step 2: Convert to fraction form
    47,250.64/70,876.50 = 20,229.35/x
  3. Step 3: Cross multiply
    47,250.64x = 70,876.50 × 20,229.35
  4. Step 4: Simplify right side
    47,250.64x = 1,433,785,069.75
  5. Step 5: Solve for x
    x = 1,433,785,069.75/47,250.64
  6. Step 6: Final answer
    x = 30,344.25

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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.