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Finding the Fourth Proportional to 79,552.40, 119,328.06 and 26,998.88

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Solution

The fourth proportional to 79,552.40, 119,328.06 and 26,998.88 is: 40,498.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,552.40 : 119,328.06 = 26,998.88 : x
  2. Step 2: Convert to fraction form
    79,552.40/119,328.06 = 26,998.88/x
  3. Step 3: Cross multiply
    79,552.40x = 119,328.06 × 26,998.88
  4. Step 4: Simplify right side
    79,552.40x = 3,221,723,972.57
  5. Step 5: Solve for x
    x = 3,221,723,972.57/79,552.40
  6. Step 6: Final answer
    x = 40,498.14

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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.