Home / 76,661.11-115,010.12-32,300.55

Finding the Fourth Proportional to 76,661.11, 115,010.12 and 32,300.55

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Solution

The fourth proportional to 76,661.11, 115,010.12 and 32,300.55 is: 48,458.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,661.11 : 115,010.12 = 32,300.55 : x
  2. Step 2: Convert to fraction form
    76,661.11/115,010.12 = 32,300.55/x
  3. Step 3: Cross multiply
    76,661.11x = 115,010.12 × 32,300.55
  4. Step 4: Simplify right side
    76,661.11x = 3,714,890,131.57
  5. Step 5: Solve for x
    x = 3,714,890,131.57/76,661.11
  6. Step 6: Final answer
    x = 48,458.60

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1.5x scale

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.