Home / 107,675.15-148,649.96-75,508.48

Finding the Fourth Proportional to 107,675.15, 148,649.96 and 75,508.48

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Solution

The fourth proportional to 107,675.15, 148,649.96 and 75,508.48 is: 104,242.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,675.15 : 148,649.96 = 75,508.48 : x
  2. Step 2: Convert to fraction form
    107,675.15/148,649.96 = 75,508.48/x
  3. Step 3: Cross multiply
    107,675.15x = 148,649.96 × 75,508.48
  4. Step 4: Simplify right side
    107,675.15x = 11,224,332,531.66
  5. Step 5: Solve for x
    x = 11,224,332,531.66/107,675.15
  6. Step 6: Final answer
    x = 104,242.55

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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.