Home / 74,527.02-111,659.31-66,391.38

Finding the Fourth Proportional to 74,527.02, 111,659.31 and 66,391.38

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Solution

The fourth proportional to 74,527.02, 111,659.31 and 66,391.38 is: 99,470.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,527.02 : 111,659.31 = 66,391.38 : x
  2. Step 2: Convert to fraction form
    74,527.02/111,659.31 = 66,391.38/x
  3. Step 3: Cross multiply
    74,527.02x = 111,659.31 × 66,391.38
  4. Step 4: Simplify right side
    74,527.02x = 7,413,215,680.75
  5. Step 5: Solve for x
    x = 7,413,215,680.75/74,527.02
  6. Step 6: Final answer
    x = 99,470.17

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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.