Home / 96,778.80-145,027.53-42,677.69

Finding the Fourth Proportional to 96,778.80, 145,027.53 and 42,677.69

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Solution

The fourth proportional to 96,778.80, 145,027.53 and 42,677.69 is: 63,954.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,778.80 : 145,027.53 = 42,677.69 : x
  2. Step 2: Convert to fraction form
    96,778.80/145,027.53 = 42,677.69/x
  3. Step 3: Cross multiply
    96,778.80x = 145,027.53 × 42,677.69
  4. Step 4: Simplify right side
    96,778.80x = 6,189,439,241.67
  5. Step 5: Solve for x
    x = 6,189,439,241.67/96,778.80
  6. Step 6: Final answer
    x = 63,954.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.