Home / 79,171.65-118,778.13-34,807.14

Finding the Fourth Proportional to 79,171.65, 118,778.13 and 34,807.14

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Solution

The fourth proportional to 79,171.65, 118,778.13 and 34,807.14 is: 52,219.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,171.65 : 118,778.13 = 34,807.14 : x
  2. Step 2: Convert to fraction form
    79,171.65/118,778.13 = 34,807.14/x
  3. Step 3: Cross multiply
    79,171.65x = 118,778.13 × 34,807.14
  4. Step 4: Simplify right side
    79,171.65x = 4,134,326,999.85
  5. Step 5: Solve for x
    x = 4,134,326,999.85/79,171.65
  6. Step 6: Final answer
    x = 52,219.79

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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.