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Finding the Fourth Proportional to 80,354.84, 110,862.49 and 46,362.52

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Solution

The fourth proportional to 80,354.84, 110,862.49 and 46,362.52 is: 63,964.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,354.84 : 110,862.49 = 46,362.52 : x
  2. Step 2: Convert to fraction form
    80,354.84/110,862.49 = 46,362.52/x
  3. Step 3: Cross multiply
    80,354.84x = 110,862.49 × 46,362.52
  4. Step 4: Simplify right side
    80,354.84x = 5,139,864,409.87
  5. Step 5: Solve for x
    x = 5,139,864,409.87/80,354.84
  6. Step 6: Final answer
    x = 63,964.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.