Home / 111,475.22-167,267.50-52,315.70

Finding the Fourth Proportional to 111,475.22, 167,267.50 and 52,315.70

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Solution

The fourth proportional to 111,475.22, 167,267.50 and 52,315.70 is: 78,499.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,475.22 : 167,267.50 = 52,315.70 : x
  2. Step 2: Convert to fraction form
    111,475.22/167,267.50 = 52,315.70/x
  3. Step 3: Cross multiply
    111,475.22x = 167,267.50 × 52,315.70
  4. Step 4: Simplify right side
    111,475.22x = 8,750,715,382.62
  5. Step 5: Solve for x
    x = 8,750,715,382.62/111,475.22
  6. Step 6: Final answer
    x = 78,499.20

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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.