Home / 79,428.32-119,107.50-37,320.38

Finding the Fourth Proportional to 79,428.32, 119,107.50 and 37,320.38

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Solution

The fourth proportional to 79,428.32, 119,107.50 and 37,320.38 is: 55,964.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,428.32 : 119,107.50 = 37,320.38 : x
  2. Step 2: Convert to fraction form
    79,428.32/119,107.50 = 37,320.38/x
  3. Step 3: Cross multiply
    79,428.32x = 119,107.50 × 37,320.38
  4. Step 4: Simplify right side
    79,428.32x = 4,445,137,160.85
  5. Step 5: Solve for x
    x = 4,445,137,160.85/79,428.32
  6. Step 6: Final answer
    x = 55,964.13

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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.