Home / 68,785.08-94,979.43-56,040.14

Finding the Fourth Proportional to 68,785.08, 94,979.43 and 56,040.14

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Solution

The fourth proportional to 68,785.08, 94,979.43 and 56,040.14 is: 77,381.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,785.08 : 94,979.43 = 56,040.14 : x
  2. Step 2: Convert to fraction form
    68,785.08/94,979.43 = 56,040.14/x
  3. Step 3: Cross multiply
    68,785.08x = 94,979.43 × 56,040.14
  4. Step 4: Simplify right side
    68,785.08x = 5,322,660,079.42
  5. Step 5: Solve for x
    x = 5,322,660,079.42/68,785.08
  6. Step 6: Final answer
    x = 77,381.03

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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.