Home / 98,377.92-135,778.95-58,089.06

Finding the Fourth Proportional to 98,377.92, 135,778.95 and 58,089.06

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Solution

The fourth proportional to 98,377.92, 135,778.95 and 58,089.06 is: 80,173.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,377.92 : 135,778.95 = 58,089.06 : x
  2. Step 2: Convert to fraction form
    98,377.92/135,778.95 = 58,089.06/x
  3. Step 3: Cross multiply
    98,377.92x = 135,778.95 × 58,089.06
  4. Step 4: Simplify right side
    98,377.92x = 7,887,271,573.29
  5. Step 5: Solve for x
    x = 7,887,271,573.29/98,377.92
  6. Step 6: Final answer
    x = 80,173.19

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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.