Home / 47,110.10-70,665.15-40,694.90

Finding the Fourth Proportional to 47,110.10, 70,665.15 and 40,694.90

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Solution

The fourth proportional to 47,110.10, 70,665.15 and 40,694.90 is: 61,042.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,110.10 : 70,665.15 = 40,694.90 : x
  2. Step 2: Convert to fraction form
    47,110.10/70,665.15 = 40,694.90/x
  3. Step 3: Cross multiply
    47,110.10x = 70,665.15 × 40,694.90
  4. Step 4: Simplify right side
    47,110.10x = 2,875,711,212.74
  5. Step 5: Solve for x
    x = 2,875,711,212.74/47,110.10
  6. Step 6: Final answer
    x = 61,042.35

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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.