Home / 89,968.62-134,952.89-26,789.64

Finding the Fourth Proportional to 89,968.62, 134,952.89 and 26,789.64

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Solution

The fourth proportional to 89,968.62, 134,952.89 and 26,789.64 is: 40,184.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,968.62 : 134,952.89 = 26,789.64 : x
  2. Step 2: Convert to fraction form
    89,968.62/134,952.89 = 26,789.64/x
  3. Step 3: Cross multiply
    89,968.62x = 134,952.89 × 26,789.64
  4. Step 4: Simplify right side
    89,968.62x = 3,615,338,700.04
  5. Step 5: Solve for x
    x = 3,615,338,700.04/89,968.62
  6. Step 6: Final answer
    x = 40,184.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.