Home / 79,050.06-109,087.66-43,239.76

Finding the Fourth Proportional to 79,050.06, 109,087.66 and 43,239.76

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Solution

The fourth proportional to 79,050.06, 109,087.66 and 43,239.76 is: 59,670.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,050.06 : 109,087.66 = 43,239.76 : x
  2. Step 2: Convert to fraction form
    79,050.06/109,087.66 = 43,239.76/x
  3. Step 3: Cross multiply
    79,050.06x = 109,087.66 × 43,239.76
  4. Step 4: Simplify right side
    79,050.06x = 4,716,924,018.69
  5. Step 5: Solve for x
    x = 4,716,924,018.69/79,050.06
  6. Step 6: Final answer
    x = 59,670.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.