Home / 79,787.17-119,698.35-23,631.70

Finding the Fourth Proportional to 79,787.17, 119,698.35 and 23,631.70

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Solution

The fourth proportional to 79,787.17, 119,698.35 and 23,631.70 is: 35,452.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,787.17 : 119,698.35 = 23,631.70 : x
  2. Step 2: Convert to fraction form
    79,787.17/119,698.35 = 23,631.70/x
  3. Step 3: Cross multiply
    79,787.17x = 119,698.35 × 23,631.70
  4. Step 4: Simplify right side
    79,787.17x = 2,828,675,497.70
  5. Step 5: Solve for x
    x = 2,828,675,497.70/79,787.17
  6. Step 6: Final answer
    x = 35,452.76

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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.