Home / 80,744.64-121,117.06-36,363.12

Finding the Fourth Proportional to 80,744.64, 121,117.06 and 36,363.12

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Solution

The fourth proportional to 80,744.64, 121,117.06 and 36,363.12 is: 54,544.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,744.64 : 121,117.06 = 36,363.12 : x
  2. Step 2: Convert to fraction form
    80,744.64/121,117.06 = 36,363.12/x
  3. Step 3: Cross multiply
    80,744.64x = 121,117.06 × 36,363.12
  4. Step 4: Simplify right side
    80,744.64x = 4,404,194,186.83
  5. Step 5: Solve for x
    x = 4,404,194,186.83/80,744.64
  6. Step 6: Final answer
    x = 54,544.73

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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.