Home / 98,901.29-136,562.00-91,344.59

Finding the Fourth Proportional to 98,901.29, 136,562.00 and 91,344.59

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Solution

The fourth proportional to 98,901.29, 136,562.00 and 91,344.59 is: 126,127.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,901.29 : 136,562.00 = 91,344.59 : x
  2. Step 2: Convert to fraction form
    98,901.29/136,562.00 = 91,344.59/x
  3. Step 3: Cross multiply
    98,901.29x = 136,562.00 × 91,344.59
  4. Step 4: Simplify right side
    98,901.29x = 12,474,199,784.26
  5. Step 5: Solve for x
    x = 12,474,199,784.26/98,901.29
  6. Step 6: Final answer
    x = 126,127.78

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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.