Home / 62,585.66-86,339.32-55,422.90

Finding the Fourth Proportional to 62,585.66, 86,339.32 and 55,422.90

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Solution

The fourth proportional to 62,585.66, 86,339.32 and 55,422.90 is: 76,458.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,585.66 : 86,339.32 = 55,422.90 : x
  2. Step 2: Convert to fraction form
    62,585.66/86,339.32 = 55,422.90/x
  3. Step 3: Cross multiply
    62,585.66x = 86,339.32 × 55,422.90
  4. Step 4: Simplify right side
    62,585.66x = 4,785,175,359.87
  5. Step 5: Solve for x
    x = 4,785,175,359.87/62,585.66
  6. Step 6: Final answer
    x = 76,458.01

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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.