Home / 111,947.60-167,921.40-37,079.30

Finding the Fourth Proportional to 111,947.60, 167,921.40 and 37,079.30

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Solution

The fourth proportional to 111,947.60, 167,921.40 and 37,079.30 is: 55,618.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,947.60 : 167,921.40 = 37,079.30 : x
  2. Step 2: Convert to fraction form
    111,947.60/167,921.40 = 37,079.30/x
  3. Step 3: Cross multiply
    111,947.60x = 167,921.40 × 37,079.30
  4. Step 4: Simplify right side
    111,947.60x = 6,226,407,967.02
  5. Step 5: Solve for x
    x = 6,226,407,967.02/111,947.60
  6. Step 6: Final answer
    x = 55,618.95

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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.