Home / 75,329.30-112,994.58-19,169.48

Finding the Fourth Proportional to 75,329.30, 112,994.58 and 19,169.48

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Solution

The fourth proportional to 75,329.30, 112,994.58 and 19,169.48 is: 28,754.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,329.30 : 112,994.58 = 19,169.48 : x
  2. Step 2: Convert to fraction form
    75,329.30/112,994.58 = 19,169.48/x
  3. Step 3: Cross multiply
    75,329.30x = 112,994.58 × 19,169.48
  4. Step 4: Simplify right side
    75,329.30x = 2,166,047,341.42
  5. Step 5: Solve for x
    x = 2,166,047,341.42/75,329.30
  6. Step 6: Final answer
    x = 28,754.38

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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.