Home / 77,849.61-116,756.49-30,465.82

Finding the Fourth Proportional to 77,849.61, 116,756.49 and 30,465.82

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Solution

The fourth proportional to 77,849.61, 116,756.49 and 30,465.82 is: 45,691.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,849.61 : 116,756.49 = 30,465.82 : x
  2. Step 2: Convert to fraction form
    77,849.61/116,756.49 = 30,465.82/x
  3. Step 3: Cross multiply
    77,849.61x = 116,756.49 × 30,465.82
  4. Step 4: Simplify right side
    77,849.61x = 3,557,082,296.99
  5. Step 5: Solve for x
    x = 3,557,082,296.99/77,849.61
  6. Step 6: Final answer
    x = 45,691.72

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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.