Home / 123,931.32-185,792.48-53,757.80

Finding the Fourth Proportional to 123,931.32, 185,792.48 and 53,757.80

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Solution

The fourth proportional to 123,931.32, 185,792.48 and 53,757.80 is: 80,591.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,931.32 : 185,792.48 = 53,757.80 : x
  2. Step 2: Convert to fraction form
    123,931.32/185,792.48 = 53,757.80/x
  3. Step 3: Cross multiply
    123,931.32x = 185,792.48 × 53,757.80
  4. Step 4: Simplify right side
    123,931.32x = 9,987,794,981.34
  5. Step 5: Solve for x
    x = 9,987,794,981.34/123,931.32
  6. Step 6: Final answer
    x = 80,591.37

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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.