Home / 82,869.22-114,359.54-45,143.47

Finding the Fourth Proportional to 82,869.22, 114,359.54 and 45,143.47

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Solution

The fourth proportional to 82,869.22, 114,359.54 and 45,143.47 is: 62,298.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,869.22 : 114,359.54 = 45,143.47 : x
  2. Step 2: Convert to fraction form
    82,869.22/114,359.54 = 45,143.47/x
  3. Step 3: Cross multiply
    82,869.22x = 114,359.54 × 45,143.47
  4. Step 4: Simplify right side
    82,869.22x = 5,162,586,463.20
  5. Step 5: Solve for x
    x = 5,162,586,463.20/82,869.22
  6. Step 6: Final answer
    x = 62,298.00

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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.