Home / 77,340.38-116,032.35-29,969.78

Finding the Fourth Proportional to 77,340.38, 116,032.35 and 29,969.78

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Solution

The fourth proportional to 77,340.38, 116,032.35 and 29,969.78 is: 44,963.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,340.38 : 116,032.35 = 29,969.78 : x
  2. Step 2: Convert to fraction form
    77,340.38/116,032.35 = 29,969.78/x
  3. Step 3: Cross multiply
    77,340.38x = 116,032.35 × 29,969.78
  4. Step 4: Simplify right side
    77,340.38x = 3,477,464,002.38
  5. Step 5: Solve for x
    x = 3,477,464,002.38/77,340.38
  6. Step 6: Final answer
    x = 44,963.11

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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.