Home / 77,717.56-107,249.48-43,261.74

Finding the Fourth Proportional to 77,717.56, 107,249.48 and 43,261.74

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Solution

The fourth proportional to 77,717.56, 107,249.48 and 43,261.74 is: 59,700.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,717.56 : 107,249.48 = 43,261.74 : x
  2. Step 2: Convert to fraction form
    77,717.56/107,249.48 = 43,261.74/x
  3. Step 3: Cross multiply
    77,717.56x = 107,249.48 × 43,261.74
  4. Step 4: Simplify right side
    77,717.56x = 4,639,799,304.77
  5. Step 5: Solve for x
    x = 4,639,799,304.77/77,717.56
  6. Step 6: Final answer
    x = 59,700.78

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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.