Home / 77,508.02-116,209.26-39,463.79

Finding the Fourth Proportional to 77,508.02, 116,209.26 and 39,463.79

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Solution

The fourth proportional to 77,508.02, 116,209.26 and 39,463.79 is: 59,168.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,508.02 : 116,209.26 = 39,463.79 : x
  2. Step 2: Convert to fraction form
    77,508.02/116,209.26 = 39,463.79/x
  3. Step 3: Cross multiply
    77,508.02x = 116,209.26 × 39,463.79
  4. Step 4: Simplify right side
    77,508.02x = 4,586,057,251.65
  5. Step 5: Solve for x
    x = 4,586,057,251.65/77,508.02
  6. Step 6: Final answer
    x = 59,168.81

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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.