Home / 107,739.09-148,680-59,996.88

Finding the Fourth Proportional to 107,739.09, 148,680 and 59,996.88

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Solution

The fourth proportional to 107,739.09, 148,680 and 59,996.88 is: 82,795.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,739.09 : 148,680 = 59,996.88 : x
  2. Step 2: Convert to fraction form
    107,739.09/148,680 = 59,996.88/x
  3. Step 3: Cross multiply
    107,739.09x = 148,680 × 59,996.88
  4. Step 4: Simplify right side
    107,739.09x = 8,920,336,118.40
  5. Step 5: Solve for x
    x = 8,920,336,118.40/107,739.09
  6. Step 6: Final answer
    x = 82,795.73

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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.