Home / 98,645.97-136,134.59-56,207.24

Finding the Fourth Proportional to 98,645.97, 136,134.59 and 56,207.24

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Solution

The fourth proportional to 98,645.97, 136,134.59 and 56,207.24 is: 77,567.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,645.97 : 136,134.59 = 56,207.24 : x
  2. Step 2: Convert to fraction form
    98,645.97/136,134.59 = 56,207.24/x
  3. Step 3: Cross multiply
    98,645.97x = 136,134.59 × 56,207.24
  4. Step 4: Simplify right side
    98,645.97x = 7,651,748,610.72
  5. Step 5: Solve for x
    x = 7,651,748,610.72/98,645.97
  6. Step 6: Final answer
    x = 77,567.78

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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.