Home / 68,789.36-94,928.36-38,574.66

Finding the Fourth Proportional to 68,789.36, 94,928.36 and 38,574.66

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Solution

The fourth proportional to 68,789.36, 94,928.36 and 38,574.66 is: 53,232.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,789.36 : 94,928.36 = 38,574.66 : x
  2. Step 2: Convert to fraction form
    68,789.36/94,928.36 = 38,574.66/x
  3. Step 3: Cross multiply
    68,789.36x = 94,928.36 × 38,574.66
  4. Step 4: Simplify right side
    68,789.36x = 3,661,829,211.36
  5. Step 5: Solve for x
    x = 3,661,829,211.36/68,789.36
  6. Step 6: Final answer
    x = 53,232.49

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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.