Home / 79,250.85-118,878.18-26,660.34

Finding the Fourth Proportional to 79,250.85, 118,878.18 and 26,660.34

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Solution

The fourth proportional to 79,250.85, 118,878.18 and 26,660.34 is: 39,991.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,250.85 : 118,878.18 = 26,660.34 : x
  2. Step 2: Convert to fraction form
    79,250.85/118,878.18 = 26,660.34/x
  3. Step 3: Cross multiply
    79,250.85x = 118,878.18 × 26,660.34
  4. Step 4: Simplify right side
    79,250.85x = 3,169,332,697.38
  5. Step 5: Solve for x
    x = 3,169,332,697.38/79,250.85
  6. Step 6: Final answer
    x = 39,991.15

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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.