Home / 75,799.94-113,700.29-19,636.11

Finding the Fourth Proportional to 75,799.94, 113,700.29 and 19,636.11

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Solution

The fourth proportional to 75,799.94, 113,700.29 and 19,636.11 is: 29,454.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,799.94 : 113,700.29 = 19,636.11 : x
  2. Step 2: Convert to fraction form
    75,799.94/113,700.29 = 19,636.11/x
  3. Step 3: Cross multiply
    75,799.94x = 113,700.29 × 19,636.11
  4. Step 4: Simplify right side
    75,799.94x = 2,232,631,303.29
  5. Step 5: Solve for x
    x = 2,232,631,303.29/75,799.94
  6. Step 6: Final answer
    x = 29,454.26

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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.