Home / 77,442.13-116,149.37-49,278.58

Finding the Fourth Proportional to 77,442.13, 116,149.37 and 49,278.58

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Solution

The fourth proportional to 77,442.13, 116,149.37 and 49,278.58 is: 73,909.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,442.13 : 116,149.37 = 49,278.58 : x
  2. Step 2: Convert to fraction form
    77,442.13/116,149.37 = 49,278.58/x
  3. Step 3: Cross multiply
    77,442.13x = 116,149.37 × 49,278.58
  4. Step 4: Simplify right side
    77,442.13x = 5,723,675,623.32
  5. Step 5: Solve for x
    x = 5,723,675,623.32/77,442.13
  6. Step 6: Final answer
    x = 73,909.07

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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.