Home / 63,693.20-95,527.65-19,321.40

Finding the Fourth Proportional to 63,693.20, 95,527.65 and 19,321.40

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Solution

The fourth proportional to 63,693.20, 95,527.65 and 19,321.40 is: 28,978.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,693.20 : 95,527.65 = 19,321.40 : x
  2. Step 2: Convert to fraction form
    63,693.20/95,527.65 = 19,321.40/x
  3. Step 3: Cross multiply
    63,693.20x = 95,527.65 × 19,321.40
  4. Step 4: Simplify right side
    63,693.20x = 1,845,727,936.71
  5. Step 5: Solve for x
    x = 1,845,727,936.71/63,693.20
  6. Step 6: Final answer
    x = 28,978.41

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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.