Home / 78,170.48-117,254.49-24,861.69

Finding the Fourth Proportional to 78,170.48, 117,254.49 and 24,861.69

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Solution

The fourth proportional to 78,170.48, 117,254.49 and 24,861.69 is: 37,292.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,170.48 : 117,254.49 = 24,861.69 : x
  2. Step 2: Convert to fraction form
    78,170.48/117,254.49 = 24,861.69/x
  3. Step 3: Cross multiply
    78,170.48x = 117,254.49 × 24,861.69
  4. Step 4: Simplify right side
    78,170.48x = 2,915,145,018.04
  5. Step 5: Solve for x
    x = 2,915,145,018.04/78,170.48
  6. Step 6: Final answer
    x = 37,292.14

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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.