Home / 98,531.92-135,939.84-59,782.04

Finding the Fourth Proportional to 98,531.92, 135,939.84 and 59,782.04

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Solution

The fourth proportional to 98,531.92, 135,939.84 and 59,782.04 is: 82,478.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,531.92 : 135,939.84 = 59,782.04 : x
  2. Step 2: Convert to fraction form
    98,531.92/135,939.84 = 59,782.04/x
  3. Step 3: Cross multiply
    98,531.92x = 135,939.84 × 59,782.04
  4. Step 4: Simplify right side
    98,531.92x = 8,126,760,952.47
  5. Step 5: Solve for x
    x = 8,126,760,952.47/98,531.92
  6. Step 6: Final answer
    x = 82,478.46

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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.