Home / 47,720.75-71,581.14-14,888.75

Finding the Fourth Proportional to 47,720.75, 71,581.14 and 14,888.75

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Solution

The fourth proportional to 47,720.75, 71,581.14 and 14,888.75 is: 22,333.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,720.75 : 71,581.14 = 14,888.75 : x
  2. Step 2: Convert to fraction form
    47,720.75/71,581.14 = 14,888.75/x
  3. Step 3: Cross multiply
    47,720.75x = 71,581.14 × 14,888.75
  4. Step 4: Simplify right side
    47,720.75x = 1,065,753,698.18
  5. Step 5: Solve for x
    x = 1,065,753,698.18/47,720.75
  6. Step 6: Final answer
    x = 22,333.13

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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.