Home / 77,818.86-116,833.24-49,793.62

Finding the Fourth Proportional to 77,818.86, 116,833.24 and 49,793.62

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Solution

The fourth proportional to 77,818.86, 116,833.24 and 49,793.62 is: 74,757.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,818.86 : 116,833.24 = 49,793.62 : x
  2. Step 2: Convert to fraction form
    77,818.86/116,833.24 = 49,793.62/x
  3. Step 3: Cross multiply
    77,818.86x = 116,833.24 × 49,793.62
  4. Step 4: Simplify right side
    77,818.86x = 5,817,549,955.93
  5. Step 5: Solve for x
    x = 5,817,549,955.93/77,818.86
  6. Step 6: Final answer
    x = 74,757.58

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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.