Home / 80,685.16-120,946.01-40,582.97

Finding the Fourth Proportional to 80,685.16, 120,946.01 and 40,582.97

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Solution

The fourth proportional to 80,685.16, 120,946.01 and 40,582.97 is: 60,833.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,685.16 : 120,946.01 = 40,582.97 : x
  2. Step 2: Convert to fraction form
    80,685.16/120,946.01 = 40,582.97/x
  3. Step 3: Cross multiply
    80,685.16x = 120,946.01 × 40,582.97
  4. Step 4: Simplify right side
    80,685.16x = 4,908,348,849.95
  5. Step 5: Solve for x
    x = 4,908,348,849.95/80,685.16
  6. Step 6: Final answer
    x = 60,833.35

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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.