Home / 80,805.54-121,151.98-35,802.43

Finding the Fourth Proportional to 80,805.54, 121,151.98 and 35,802.43

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Solution

The fourth proportional to 80,805.54, 121,151.98 and 35,802.43 is: 53,678.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,805.54 : 121,151.98 = 35,802.43 : x
  2. Step 2: Convert to fraction form
    80,805.54/121,151.98 = 35,802.43/x
  3. Step 3: Cross multiply
    80,805.54x = 121,151.98 × 35,802.43
  4. Step 4: Simplify right side
    80,805.54x = 4,337,535,283.31
  5. Step 5: Solve for x
    x = 4,337,535,283.31/80,805.54
  6. Step 6: Final answer
    x = 53,678.69

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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.