Home / 77,687.25-116,533.38-21,527.91

Finding the Fourth Proportional to 77,687.25, 116,533.38 and 21,527.91

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Solution

The fourth proportional to 77,687.25, 116,533.38 and 21,527.91 is: 32,292.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,687.25 : 116,533.38 = 21,527.91 : x
  2. Step 2: Convert to fraction form
    77,687.25/116,533.38 = 21,527.91/x
  3. Step 3: Cross multiply
    77,687.25x = 116,533.38 × 21,527.91
  4. Step 4: Simplify right side
    77,687.25x = 2,508,720,116.64
  5. Step 5: Solve for x
    x = 2,508,720,116.64/77,687.25
  6. Step 6: Final answer
    x = 32,292.56

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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.