Home / 111,612.10-167,442.39-36,739.85

Finding the Fourth Proportional to 111,612.10, 167,442.39 and 36,739.85

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Solution

The fourth proportional to 111,612.10, 167,442.39 and 36,739.85 is: 55,117.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,612.10 : 167,442.39 = 36,739.85 : x
  2. Step 2: Convert to fraction form
    111,612.10/167,442.39 = 36,739.85/x
  3. Step 3: Cross multiply
    111,612.10x = 167,442.39 × 36,739.85
  4. Step 4: Simplify right side
    111,612.10x = 6,151,807,455.03
  5. Step 5: Solve for x
    x = 6,151,807,455.03/111,612.10
  6. Step 6: Final answer
    x = 55,117.75

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1.5x scale

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.