Home / 47,988.12-71,982.16-25,770.93

Finding the Fourth Proportional to 47,988.12, 71,982.16 and 25,770.93

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Solution

The fourth proportional to 47,988.12, 71,982.16 and 25,770.93 is: 38,656.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,988.12 : 71,982.16 = 25,770.93 : x
  2. Step 2: Convert to fraction form
    47,988.12/71,982.16 = 25,770.93/x
  3. Step 3: Cross multiply
    47,988.12x = 71,982.16 × 25,770.93
  4. Step 4: Simplify right side
    47,988.12x = 1,855,047,206.61
  5. Step 5: Solve for x
    x = 1,855,047,206.61/47,988.12
  6. Step 6: Final answer
    x = 38,656.39

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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.