Home / 77,299.86-115,922.48-36,768.60

Finding the Fourth Proportional to 77,299.86, 115,922.48 and 36,768.60

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Solution

The fourth proportional to 77,299.86, 115,922.48 and 36,768.60 is: 55,139.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,299.86 : 115,922.48 = 36,768.60 : x
  2. Step 2: Convert to fraction form
    77,299.86/115,922.48 = 36,768.60/x
  3. Step 3: Cross multiply
    77,299.86x = 115,922.48 × 36,768.60
  4. Step 4: Simplify right side
    77,299.86x = 4,262,307,298.13
  5. Step 5: Solve for x
    x = 4,262,307,298.13/77,299.86
  6. Step 6: Final answer
    x = 55,139.91

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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.