Home / 98,610.49-136,092-58,337.20

Finding the Fourth Proportional to 98,610.49, 136,092 and 58,337.20

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Solution

The fourth proportional to 98,610.49, 136,092 and 58,337.20 is: 80,510.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,610.49 : 136,092 = 58,337.20 : x
  2. Step 2: Convert to fraction form
    98,610.49/136,092 = 58,337.20/x
  3. Step 3: Cross multiply
    98,610.49x = 136,092 × 58,337.20
  4. Step 4: Simplify right side
    98,610.49x = 7,939,226,222.40
  5. Step 5: Solve for x
    x = 7,939,226,222.40/98,610.49
  6. Step 6: Final answer
    x = 80,510.97

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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.