Home / 47,042.10-70,563.15-15,876.90

Finding the Fourth Proportional to 47,042.10, 70,563.15 and 15,876.90

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Solution

The fourth proportional to 47,042.10, 70,563.15 and 15,876.90 is: 23,815.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,042.10 : 70,563.15 = 15,876.90 : x
  2. Step 2: Convert to fraction form
    47,042.10/70,563.15 = 15,876.90/x
  3. Step 3: Cross multiply
    47,042.10x = 70,563.15 × 15,876.90
  4. Step 4: Simplify right side
    47,042.10x = 1,120,324,076.24
  5. Step 5: Solve for x
    x = 1,120,324,076.24/47,042.10
  6. Step 6: Final answer
    x = 23,815.35

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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.