Home / 77,974.07-117,041.86-48,009.89

Finding the Fourth Proportional to 77,974.07, 117,041.86 and 48,009.89

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Solution

The fourth proportional to 77,974.07, 117,041.86 and 48,009.89 is: 72,064.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,974.07 : 117,041.86 = 48,009.89 : x
  2. Step 2: Convert to fraction form
    77,974.07/117,041.86 = 48,009.89/x
  3. Step 3: Cross multiply
    77,974.07x = 117,041.86 × 48,009.89
  4. Step 4: Simplify right side
    77,974.07x = 5,619,166,847.43
  5. Step 5: Solve for x
    x = 5,619,166,847.43/77,974.07
  6. Step 6: Final answer
    x = 72,064.56

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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.