Home / 66,324.64-91,527.45-36,109.90

Finding the Fourth Proportional to 66,324.64, 91,527.45 and 36,109.90

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Solution

The fourth proportional to 66,324.64, 91,527.45 and 36,109.90 is: 49,831.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,324.64 : 91,527.45 = 36,109.90 : x
  2. Step 2: Convert to fraction form
    66,324.64/91,527.45 = 36,109.90/x
  3. Step 3: Cross multiply
    66,324.64x = 91,527.45 × 36,109.90
  4. Step 4: Simplify right side
    66,324.64x = 3,305,047,248.87
  5. Step 5: Solve for x
    x = 3,305,047,248.87/66,324.64
  6. Step 6: Final answer
    x = 49,831.36

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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.