Home / 79,441.07-109,582.92-47,591.52

Finding the Fourth Proportional to 79,441.07, 109,582.92 and 47,591.52

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Solution

The fourth proportional to 79,441.07, 109,582.92 and 47,591.52 is: 65,648.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,441.07 : 109,582.92 = 47,591.52 : x
  2. Step 2: Convert to fraction form
    79,441.07/109,582.92 = 47,591.52/x
  3. Step 3: Cross multiply
    79,441.07x = 109,582.92 × 47,591.52
  4. Step 4: Simplify right side
    79,441.07x = 5,215,217,728.84
  5. Step 5: Solve for x
    x = 5,215,217,728.84/79,441.07
  6. Step 6: Final answer
    x = 65,648.89

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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.