Home / 80,036.10-120,060.23-23,871.81

Finding the Fourth Proportional to 80,036.10, 120,060.23 and 23,871.81

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Solution

The fourth proportional to 80,036.10, 120,060.23 and 23,871.81 is: 35,809.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,036.10 : 120,060.23 = 23,871.81 : x
  2. Step 2: Convert to fraction form
    80,036.10/120,060.23 = 23,871.81/x
  3. Step 3: Cross multiply
    80,036.10x = 120,060.23 × 23,871.81
  4. Step 4: Simplify right side
    80,036.10x = 2,866,055,329.98
  5. Step 5: Solve for x
    x = 2,866,055,329.98/80,036.10
  6. Step 6: Final answer
    x = 35,809.53

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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.