Home / 111,475.72-167,268.25-52,316.20

Finding the Fourth Proportional to 111,475.72, 167,268.25 and 52,316.20

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Solution

The fourth proportional to 111,475.72, 167,268.25 and 52,316.20 is: 78,499.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,475.72 : 167,268.25 = 52,316.20 : x
  2. Step 2: Convert to fraction form
    111,475.72/167,268.25 = 52,316.20/x
  3. Step 3: Cross multiply
    111,475.72x = 167,268.25 × 52,316.20
  4. Step 4: Simplify right side
    111,475.72x = 8,750,838,384.31
  5. Step 5: Solve for x
    x = 8,750,838,384.31/111,475.72
  6. Step 6: Final answer
    x = 78,499.95

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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.