Home / 82,470.02-123,707.33-29,154.46

Finding the Fourth Proportional to 82,470.02, 123,707.33 and 29,154.46

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Solution

The fourth proportional to 82,470.02, 123,707.33 and 29,154.46 is: 43,732.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,470.02 : 123,707.33 = 29,154.46 : x
  2. Step 2: Convert to fraction form
    82,470.02/123,707.33 = 29,154.46/x
  3. Step 3: Cross multiply
    82,470.02x = 123,707.33 × 29,154.46
  4. Step 4: Simplify right side
    82,470.02x = 3,606,620,258.42
  5. Step 5: Solve for x
    x = 3,606,620,258.42/82,470.02
  6. Step 6: Final answer
    x = 43,732.50

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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.