Home / 47,110.10-70,665.15-15,520.10

Finding the Fourth Proportional to 47,110.10, 70,665.15 and 15,520.10

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Solution

The fourth proportional to 47,110.10, 70,665.15 and 15,520.10 is: 23,280.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,110.10 : 70,665.15 = 15,520.10 : x
  2. Step 2: Convert to fraction form
    47,110.10/70,665.15 = 15,520.10/x
  3. Step 3: Cross multiply
    47,110.10x = 70,665.15 × 15,520.10
  4. Step 4: Simplify right side
    47,110.10x = 1,096,730,194.52
  5. Step 5: Solve for x
    x = 1,096,730,194.52/47,110.10
  6. Step 6: Final answer
    x = 23,280.15

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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.