Home / 47,117.57-70,686.81-15,537.42

Finding the Fourth Proportional to 47,117.57, 70,686.81 and 15,537.42

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Solution

The fourth proportional to 47,117.57, 70,686.81 and 15,537.42 is: 23,309.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,117.57 : 70,686.81 = 15,537.42 : x
  2. Step 2: Convert to fraction form
    47,117.57/70,686.81 = 15,537.42/x
  3. Step 3: Cross multiply
    47,117.57x = 70,686.81 × 15,537.42
  4. Step 4: Simplify right side
    47,117.57x = 1,098,290,655.43
  5. Step 5: Solve for x
    x = 1,098,290,655.43/47,117.57
  6. Step 6: Final answer
    x = 23,309.58

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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.