Home / 80,409.06-120,574.59-24,238.70

Finding the Fourth Proportional to 80,409.06, 120,574.59 and 24,238.70

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Solution

The fourth proportional to 80,409.06, 120,574.59 and 24,238.70 is: 36,346.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,409.06 : 120,574.59 = 24,238.70 : x
  2. Step 2: Convert to fraction form
    80,409.06/120,574.59 = 24,238.70/x
  3. Step 3: Cross multiply
    80,409.06x = 120,574.59 × 24,238.70
  4. Step 4: Simplify right side
    80,409.06x = 2,922,570,711.76
  5. Step 5: Solve for x
    x = 2,922,570,711.76/80,409.06
  6. Step 6: Final answer
    x = 36,346.29

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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.