Home / 111,641.28-167,467.40-45,073.10

Finding the Fourth Proportional to 111,641.28, 167,467.40 and 45,073.10

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Solution

The fourth proportional to 111,641.28, 167,467.40 and 45,073.10 is: 67,611.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,641.28 : 167,467.40 = 45,073.10 : x
  2. Step 2: Convert to fraction form
    111,641.28/167,467.40 = 45,073.10/x
  3. Step 3: Cross multiply
    111,641.28x = 167,467.40 × 45,073.10
  4. Step 4: Simplify right side
    111,641.28x = 7,548,273,804.24
  5. Step 5: Solve for x
    x = 7,548,273,804.24/111,641.28
  6. Step 6: Final answer
    x = 67,611.85

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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.