Home / 107,966.12-148,927.92-69,665.72

Finding the Fourth Proportional to 107,966.12, 148,927.92 and 69,665.72

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Solution

The fourth proportional to 107,966.12, 148,927.92 and 69,665.72 is: 96,096.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,966.12 : 148,927.92 = 69,665.72 : x
  2. Step 2: Convert to fraction form
    107,966.12/148,927.92 = 69,665.72/x
  3. Step 3: Cross multiply
    107,966.12x = 148,927.92 × 69,665.72
  4. Step 4: Simplify right side
    107,966.12x = 10,375,170,774.90
  5. Step 5: Solve for x
    x = 10,375,170,774.90/107,966.12
  6. Step 6: Final answer
    x = 96,096.54

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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.