Home / 109,743.75-151,446.42-59,442.75

Finding the Fourth Proportional to 109,743.75, 151,446.42 and 59,442.75

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Solution

The fourth proportional to 109,743.75, 151,446.42 and 59,442.75 is: 82,031.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,743.75 : 151,446.42 = 59,442.75 : x
  2. Step 2: Convert to fraction form
    109,743.75/151,446.42 = 59,442.75/x
  3. Step 3: Cross multiply
    109,743.75x = 151,446.42 × 59,442.75
  4. Step 4: Simplify right side
    109,743.75x = 9,002,391,682.46
  5. Step 5: Solve for x
    x = 9,002,391,682.46/109,743.75
  6. Step 6: Final answer
    x = 82,031.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.