Home / 104,909.15-144,775.28-62,469.47

Finding the Fourth Proportional to 104,909.15, 144,775.28 and 62,469.47

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Solution

The fourth proportional to 104,909.15, 144,775.28 and 62,469.47 is: 86,208.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,909.15 : 144,775.28 = 62,469.47 : x
  2. Step 2: Convert to fraction form
    104,909.15/144,775.28 = 62,469.47/x
  3. Step 3: Cross multiply
    104,909.15x = 144,775.28 × 62,469.47
  4. Step 4: Simplify right side
    104,909.15x = 9,044,034,698.35
  5. Step 5: Solve for x
    x = 9,044,034,698.35/104,909.15
  6. Step 6: Final answer
    x = 86,208.25

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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.