Home / 68,789.12-94,888.62-43,255

Finding the Fourth Proportional to 68,789.12, 94,888.62 and 43,255

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Solution

The fourth proportional to 68,789.12, 94,888.62 and 43,255 is: 59,666.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,789.12 : 94,888.62 = 43,255 : x
  2. Step 2: Convert to fraction form
    68,789.12/94,888.62 = 43,255/x
  3. Step 3: Cross multiply
    68,789.12x = 94,888.62 × 43,255
  4. Step 4: Simplify right side
    68,789.12x = 4,104,407,258.10
  5. Step 5: Solve for x
    x = 4,104,407,258.10/68,789.12
  6. Step 6: Final answer
    x = 59,666.52

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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.