Home / 79,715.20-119,470.40-33,000.32

Finding the Fourth Proportional to 79,715.20, 119,470.40 and 33,000.32

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Solution

The fourth proportional to 79,715.20, 119,470.40 and 33,000.32 is: 49,458.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,715.20 : 119,470.40 = 33,000.32 : x
  2. Step 2: Convert to fraction form
    79,715.20/119,470.40 = 33,000.32/x
  3. Step 3: Cross multiply
    79,715.20x = 119,470.40 × 33,000.32
  4. Step 4: Simplify right side
    79,715.20x = 3,942,561,430.53
  5. Step 5: Solve for x
    x = 3,942,561,430.53/79,715.20
  6. Step 6: Final answer
    x = 49,458.09

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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.