Home / 47,435.72-71,145.51-15,842.20

Finding the Fourth Proportional to 47,435.72, 71,145.51 and 15,842.20

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Solution

The fourth proportional to 47,435.72, 71,145.51 and 15,842.20 is: 23,760.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,435.72 : 71,145.51 = 15,842.20 : x
  2. Step 2: Convert to fraction form
    47,435.72/71,145.51 = 15,842.20/x
  3. Step 3: Cross multiply
    47,435.72x = 71,145.51 × 15,842.20
  4. Step 4: Simplify right side
    47,435.72x = 1,127,101,042.79
  5. Step 5: Solve for x
    x = 1,127,101,042.79/47,435.72
  6. Step 6: Final answer
    x = 23,760.60

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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.