Home / 62,631.37-86,381.08-55,061.65

Finding the Fourth Proportional to 62,631.37, 86,381.08 and 55,061.65

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Solution

The fourth proportional to 62,631.37, 86,381.08 and 55,061.65 is: 75,940.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,631.37 : 86,381.08 = 55,061.65 : x
  2. Step 2: Convert to fraction form
    62,631.37/86,381.08 = 55,061.65/x
  3. Step 3: Cross multiply
    62,631.37x = 86,381.08 × 55,061.65
  4. Step 4: Simplify right side
    62,631.37x = 4,756,284,793.58
  5. Step 5: Solve for x
    x = 4,756,284,793.58/62,631.37
  6. Step 6: Final answer
    x = 75,940.93

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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.