Home / 47,720.75-71,569.30-16,130.11

Finding the Fourth Proportional to 47,720.75, 71,569.30 and 16,130.11

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Solution

The fourth proportional to 47,720.75, 71,569.30 and 16,130.11 is: 24,191.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,720.75 : 71,569.30 = 16,130.11 : x
  2. Step 2: Convert to fraction form
    47,720.75/71,569.30 = 16,130.11/x
  3. Step 3: Cross multiply
    47,720.75x = 71,569.30 × 16,130.11
  4. Step 4: Simplify right side
    47,720.75x = 1,154,420,243.13
  5. Step 5: Solve for x
    x = 1,154,420,243.13/47,720.75
  6. Step 6: Final answer
    x = 24,191.16

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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.