Home / 79,868.57-119,757.90-26,532

Finding the Fourth Proportional to 79,868.57, 119,757.90 and 26,532

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Solution

The fourth proportional to 79,868.57, 119,757.90 and 26,532 is: 39,783.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,868.57 : 119,757.90 = 26,532 : x
  2. Step 2: Convert to fraction form
    79,868.57/119,757.90 = 26,532/x
  3. Step 3: Cross multiply
    79,868.57x = 119,757.90 × 26,532
  4. Step 4: Simplify right side
    79,868.57x = 3,177,416,602.80
  5. Step 5: Solve for x
    x = 3,177,416,602.80/79,868.57
  6. Step 6: Final answer
    x = 39,783.06

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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.