Home / 77,834.65-116,768.39-25,240.05

Finding the Fourth Proportional to 77,834.65, 116,768.39 and 25,240.05

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Solution

The fourth proportional to 77,834.65, 116,768.39 and 25,240.05 is: 37,865.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,834.65 : 116,768.39 = 25,240.05 : x
  2. Step 2: Convert to fraction form
    77,834.65/116,768.39 = 25,240.05/x
  3. Step 3: Cross multiply
    77,834.65x = 116,768.39 × 25,240.05
  4. Step 4: Simplify right side
    77,834.65x = 2,947,240,002.02
  5. Step 5: Solve for x
    x = 2,947,240,002.02/77,834.65
  6. Step 6: Final answer
    x = 37,865.40

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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.