Home / 91,718.58-126,589.79-59,493.14

Finding the Fourth Proportional to 91,718.58, 126,589.79 and 59,493.14

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Solution

The fourth proportional to 91,718.58, 126,589.79 and 59,493.14 is: 82,112.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,718.58 : 126,589.79 = 59,493.14 : x
  2. Step 2: Convert to fraction form
    91,718.58/126,589.79 = 59,493.14/x
  3. Step 3: Cross multiply
    91,718.58x = 126,589.79 × 59,493.14
  4. Step 4: Simplify right side
    91,718.58x = 7,531,223,614.82
  5. Step 5: Solve for x
    x = 7,531,223,614.82/91,718.58
  6. Step 6: Final answer
    x = 82,112.30

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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.