Home / 77,963.21-107,589.08-43,971.59

Finding the Fourth Proportional to 77,963.21, 107,589.08 and 43,971.59

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Solution

The fourth proportional to 77,963.21, 107,589.08 and 43,971.59 is: 60,680.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,963.21 : 107,589.08 = 43,971.59 : x
  2. Step 2: Convert to fraction form
    77,963.21/107,589.08 = 43,971.59/x
  3. Step 3: Cross multiply
    77,963.21x = 107,589.08 × 43,971.59
  4. Step 4: Simplify right side
    77,963.21x = 4,730,862,559.89
  5. Step 5: Solve for x
    x = 4,730,862,559.89/77,963.21
  6. Step 6: Final answer
    x = 60,680.71

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1.5x scale

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.