Home / 99,301.55-136,904.46-82,242.95

Finding the Fourth Proportional to 99,301.55, 136,904.46 and 82,242.95

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Solution

The fourth proportional to 99,301.55, 136,904.46 and 82,242.95 is: 113,386.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,301.55 : 136,904.46 = 82,242.95 : x
  2. Step 2: Convert to fraction form
    99,301.55/136,904.46 = 82,242.95/x
  3. Step 3: Cross multiply
    99,301.55x = 136,904.46 × 82,242.95
  4. Step 4: Simplify right side
    99,301.55x = 11,259,426,658.56
  5. Step 5: Solve for x
    x = 11,259,426,658.56/99,301.55
  6. Step 6: Final answer
    x = 113,386.21

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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.