Home / 80,974.80-121,462.20-58,683.60

Finding the Fourth Proportional to 80,974.80, 121,462.20 and 58,683.60

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Solution

The fourth proportional to 80,974.80, 121,462.20 and 58,683.60 is: 88,025.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,974.80 : 121,462.20 = 58,683.60 : x
  2. Step 2: Convert to fraction form
    80,974.80/121,462.20 = 58,683.60/x
  3. Step 3: Cross multiply
    80,974.80x = 121,462.20 × 58,683.60
  4. Step 4: Simplify right side
    80,974.80x = 7,127,839,159.92
  5. Step 5: Solve for x
    x = 7,127,839,159.92/80,974.80
  6. Step 6: Final answer
    x = 88,025.40

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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.