Home / 80,924.13-121,349.80-30,969.29

Finding the Fourth Proportional to 80,924.13, 121,349.80 and 30,969.29

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Solution

The fourth proportional to 80,924.13, 121,349.80 and 30,969.29 is: 46,440.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,924.13 : 121,349.80 = 30,969.29 : x
  2. Step 2: Convert to fraction form
    80,924.13/121,349.80 = 30,969.29/x
  3. Step 3: Cross multiply
    80,924.13x = 121,349.80 × 30,969.29
  4. Step 4: Simplify right side
    80,924.13x = 3,758,116,632.93
  5. Step 5: Solve for x
    x = 3,758,116,632.93/80,924.13
  6. Step 6: Final answer
    x = 46,440.00

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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.