Home / 80,744.65-121,125.04-30,866.70

Finding the Fourth Proportional to 80,744.65, 121,125.04 and 30,866.70

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Solution

The fourth proportional to 80,744.65, 121,125.04 and 30,866.70 is: 46,303.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,744.65 : 121,125.04 = 30,866.70 : x
  2. Step 2: Convert to fraction form
    80,744.65/121,125.04 = 30,866.70/x
  3. Step 3: Cross multiply
    80,744.65x = 121,125.04 × 30,866.70
  4. Step 4: Simplify right side
    80,744.65x = 3,738,730,649.22
  5. Step 5: Solve for x
    x = 3,738,730,649.22/80,744.65
  6. Step 6: Final answer
    x = 46,303.14

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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.