Home / 80,841.24-111,562.92-45,030.60

Finding the Fourth Proportional to 80,841.24, 111,562.92 and 45,030.60

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Solution

The fourth proportional to 80,841.24, 111,562.92 and 45,030.60 is: 62,143.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,841.24 : 111,562.92 = 45,030.60 : x
  2. Step 2: Convert to fraction form
    80,841.24/111,562.92 = 45,030.60/x
  3. Step 3: Cross multiply
    80,841.24x = 111,562.92 × 45,030.60
  4. Step 4: Simplify right side
    80,841.24x = 5,023,745,225.35
  5. Step 5: Solve for x
    x = 5,023,745,225.35/80,841.24
  6. Step 6: Final answer
    x = 62,143.35

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1.5x scale

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.