Home / 77,591.20-116,225.33-74,914.56

Finding the Fourth Proportional to 77,591.20, 116,225.33 and 74,914.56

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Solution

The fourth proportional to 77,591.20, 116,225.33 and 74,914.56 is: 112,215.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,591.20 : 116,225.33 = 74,914.56 : x
  2. Step 2: Convert to fraction form
    77,591.20/116,225.33 = 74,914.56/x
  3. Step 3: Cross multiply
    77,591.20x = 116,225.33 × 74,914.56
  4. Step 4: Simplify right side
    77,591.20x = 8,706,969,457.80
  5. Step 5: Solve for x
    x = 8,706,969,457.80/77,591.20
  6. Step 6: Final answer
    x = 112,215.94

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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.