Home / 82,867.64-114,356.76-45,141.89

Finding the Fourth Proportional to 82,867.64, 114,356.76 and 45,141.89

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Solution

The fourth proportional to 82,867.64, 114,356.76 and 45,141.89 is: 62,295.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,867.64 : 114,356.76 = 45,141.89 : x
  2. Step 2: Convert to fraction form
    82,867.64/114,356.76 = 45,141.89/x
  3. Step 3: Cross multiply
    82,867.64x = 114,356.76 × 45,141.89
  4. Step 4: Simplify right side
    82,867.64x = 5,162,280,280.68
  5. Step 5: Solve for x
    x = 5,162,280,280.68/82,867.64
  6. Step 6: Final answer
    x = 62,295.49

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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.