Home / 79,914.79-119,878.67-26,604.84

Finding the Fourth Proportional to 79,914.79, 119,878.67 and 26,604.84

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Solution

The fourth proportional to 79,914.79, 119,878.67 and 26,604.84 is: 39,909.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,914.79 : 119,878.67 = 26,604.84 : x
  2. Step 2: Convert to fraction form
    79,914.79/119,878.67 = 26,604.84/x
  3. Step 3: Cross multiply
    79,914.79x = 119,878.67 × 26,604.84
  4. Step 4: Simplify right side
    79,914.79x = 3,189,352,834.76
  5. Step 5: Solve for x
    x = 3,189,352,834.76/79,914.79
  6. Step 6: Final answer
    x = 39,909.42

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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.