Home / 75,968.05-113,952.15-19,808.11

Finding the Fourth Proportional to 75,968.05, 113,952.15 and 19,808.11

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Solution

The fourth proportional to 75,968.05, 113,952.15 and 19,808.11 is: 29,712.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,968.05 : 113,952.15 = 19,808.11 : x
  2. Step 2: Convert to fraction form
    75,968.05/113,952.15 = 19,808.11/x
  3. Step 3: Cross multiply
    75,968.05x = 113,952.15 × 19,808.11
  4. Step 4: Simplify right side
    75,968.05x = 2,257,176,467.21
  5. Step 5: Solve for x
    x = 2,257,176,467.21/75,968.05
  6. Step 6: Final answer
    x = 29,712.18

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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.