Home / 98,334.62-135,713.28-55,899.52

Finding the Fourth Proportional to 98,334.62, 135,713.28 and 55,899.52

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Solution

The fourth proportional to 98,334.62, 135,713.28 and 55,899.52 is: 77,147.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,334.62 : 135,713.28 = 55,899.52 : x
  2. Step 2: Convert to fraction form
    98,334.62/135,713.28 = 55,899.52/x
  3. Step 3: Cross multiply
    98,334.62x = 135,713.28 × 55,899.52
  4. Step 4: Simplify right side
    98,334.62x = 7,586,307,209.63
  5. Step 5: Solve for x
    x = 7,586,307,209.63/98,334.62
  6. Step 6: Final answer
    x = 77,147.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.