Home / 67,678.23-101,527.07-20,934.75

Finding the Fourth Proportional to 67,678.23, 101,527.07 and 20,934.75

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Solution

The fourth proportional to 67,678.23, 101,527.07 and 20,934.75 is: 31,405.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,678.23 : 101,527.07 = 20,934.75 : x
  2. Step 2: Convert to fraction form
    67,678.23/101,527.07 = 20,934.75/x
  3. Step 3: Cross multiply
    67,678.23x = 101,527.07 × 20,934.75
  4. Step 4: Simplify right side
    67,678.23x = 2,125,443,724.01
  5. Step 5: Solve for x
    x = 2,125,443,724.01/67,678.23
  6. Step 6: Final answer
    x = 31,405.13

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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.