Home / 98,617.13-136,154.00-75,913.43

Finding the Fourth Proportional to 98,617.13, 136,154.00 and 75,913.43

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Solution

The fourth proportional to 98,617.13, 136,154.00 and 75,913.43 is: 104,808.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,617.13 : 136,154.00 = 75,913.43 : x
  2. Step 2: Convert to fraction form
    98,617.13/136,154.00 = 75,913.43/x
  3. Step 3: Cross multiply
    98,617.13x = 136,154.00 × 75,913.43
  4. Step 4: Simplify right side
    98,617.13x = 10,335,916,768.65
  5. Step 5: Solve for x
    x = 10,335,916,768.65/98,617.13
  6. Step 6: Final answer
    x = 104,808.54

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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.