Home / 98,001.26-135,177.23-77,826.14

Finding the Fourth Proportional to 98,001.26, 135,177.23 and 77,826.14

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Solution

The fourth proportional to 98,001.26, 135,177.23 and 77,826.14 is: 107,348.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,001.26 : 135,177.23 = 77,826.14 : x
  2. Step 2: Convert to fraction form
    98,001.26/135,177.23 = 77,826.14/x
  3. Step 3: Cross multiply
    98,001.26x = 135,177.23 × 77,826.14
  4. Step 4: Simplify right side
    98,001.26x = 10,520,321,637.66
  5. Step 5: Solve for x
    x = 10,520,321,637.66/98,001.26
  6. Step 6: Final answer
    x = 107,348.84

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1.5x scale

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.