Home / 81,050.96-121,575.18-41,585.30

Finding the Fourth Proportional to 81,050.96, 121,575.18 and 41,585.30

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Solution

The fourth proportional to 81,050.96, 121,575.18 and 41,585.30 is: 62,377.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,050.96 : 121,575.18 = 41,585.30 : x
  2. Step 2: Convert to fraction form
    81,050.96/121,575.18 = 41,585.30/x
  3. Step 3: Cross multiply
    81,050.96x = 121,575.18 × 41,585.30
  4. Step 4: Simplify right side
    81,050.96x = 5,055,740,332.85
  5. Step 5: Solve for x
    x = 5,055,740,332.85/81,050.96
  6. Step 6: Final answer
    x = 62,377.30

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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.