Home / 71,396.10-106,964.55-58,176.90

Finding the Fourth Proportional to 71,396.10, 106,964.55 and 58,176.90

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Solution

The fourth proportional to 71,396.10, 106,964.55 and 58,176.90 is: 87,159.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,396.10 : 106,964.55 = 58,176.90 : x
  2. Step 2: Convert to fraction form
    71,396.10/106,964.55 = 58,176.90/x
  3. Step 3: Cross multiply
    71,396.10x = 106,964.55 × 58,176.90
  4. Step 4: Simplify right side
    71,396.10x = 6,222,865,928.90
  5. Step 5: Solve for x
    x = 6,222,865,928.90/71,396.10
  6. Step 6: Final answer
    x = 87,159.75

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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.