Home / 79,705.72-119,574.35-22,780.14

Finding the Fourth Proportional to 79,705.72, 119,574.35 and 22,780.14

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Solution

The fourth proportional to 79,705.72, 119,574.35 and 22,780.14 is: 34,174.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,705.72 : 119,574.35 = 22,780.14 : x
  2. Step 2: Convert to fraction form
    79,705.72/119,574.35 = 22,780.14/x
  3. Step 3: Cross multiply
    79,705.72x = 119,574.35 × 22,780.14
  4. Step 4: Simplify right side
    79,705.72x = 2,723,920,433.41
  5. Step 5: Solve for x
    x = 2,723,920,433.41/79,705.72
  6. Step 6: Final answer
    x = 34,174.72

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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.