Home / 79,189.07-109,239.48-48,964.73

Finding the Fourth Proportional to 79,189.07, 109,239.48 and 48,964.73

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Solution

The fourth proportional to 79,189.07, 109,239.48 and 48,964.73 is: 67,545.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,189.07 : 109,239.48 = 48,964.73 : x
  2. Step 2: Convert to fraction form
    79,189.07/109,239.48 = 48,964.73/x
  3. Step 3: Cross multiply
    79,189.07x = 109,239.48 × 48,964.73
  4. Step 4: Simplify right side
    79,189.07x = 5,348,881,097.34
  5. Step 5: Solve for x
    x = 5,348,881,097.34/79,189.07
  6. Step 6: Final answer
    x = 67,545.70

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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.