Home / 98,499.06-135,984.69-65,062.26

Finding the Fourth Proportional to 98,499.06, 135,984.69 and 65,062.26

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Solution

The fourth proportional to 98,499.06, 135,984.69 and 65,062.26 is: 89,822.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,499.06 : 135,984.69 = 65,062.26 : x
  2. Step 2: Convert to fraction form
    98,499.06/135,984.69 = 65,062.26/x
  3. Step 3: Cross multiply
    98,499.06x = 135,984.69 × 65,062.26
  4. Step 4: Simplify right side
    98,499.06x = 8,847,471,256.80
  5. Step 5: Solve for x
    x = 8,847,471,256.80/98,499.06
  6. Step 6: Final answer
    x = 89,822.90

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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.