Home / 98,984.10-136,565.91-55,959.42

Finding the Fourth Proportional to 98,984.10, 136,565.91 and 55,959.42

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Solution

The fourth proportional to 98,984.10, 136,565.91 and 55,959.42 is: 77,205.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,984.10 : 136,565.91 = 55,959.42 : x
  2. Step 2: Convert to fraction form
    98,984.10/136,565.91 = 55,959.42/x
  3. Step 3: Cross multiply
    98,984.10x = 136,565.91 × 55,959.42
  4. Step 4: Simplify right side
    98,984.10x = 7,642,149,115.37
  5. Step 5: Solve for x
    x = 7,642,149,115.37/98,984.10
  6. Step 6: Final answer
    x = 77,205.83

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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.