Home / 79,584.47-109,842.17-45,615.72

Finding the Fourth Proportional to 79,584.47, 109,842.17 and 45,615.72

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Solution

The fourth proportional to 79,584.47, 109,842.17 and 45,615.72 is: 62,958.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,584.47 : 109,842.17 = 45,615.72 : x
  2. Step 2: Convert to fraction form
    79,584.47/109,842.17 = 45,615.72/x
  3. Step 3: Cross multiply
    79,584.47x = 109,842.17 × 45,615.72
  4. Step 4: Simplify right side
    79,584.47x = 5,010,529,854.74
  5. Step 5: Solve for x
    x = 5,010,529,854.74/79,584.47
  6. Step 6: Final answer
    x = 62,958.64

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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.