Home / 91,718.36-126,524.74-59,905.88

Finding the Fourth Proportional to 91,718.36, 126,524.74 and 59,905.88

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Solution

The fourth proportional to 91,718.36, 126,524.74 and 59,905.88 is: 82,639.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,718.36 : 126,524.74 = 59,905.88 : x
  2. Step 2: Convert to fraction form
    91,718.36/126,524.74 = 59,905.88/x
  3. Step 3: Cross multiply
    91,718.36x = 126,524.74 × 59,905.88
  4. Step 4: Simplify right side
    91,718.36x = 7,579,575,891.47
  5. Step 5: Solve for x
    x = 7,579,575,891.47/91,718.36
  6. Step 6: Final answer
    x = 82,639.68

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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.