Home / 79,360.75-109,521-43,552.05

Finding the Fourth Proportional to 79,360.75, 109,521 and 43,552.05

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Solution

The fourth proportional to 79,360.75, 109,521 and 43,552.05 is: 60,103.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,360.75 : 109,521 = 43,552.05 : x
  2. Step 2: Convert to fraction form
    79,360.75/109,521 = 43,552.05/x
  3. Step 3: Cross multiply
    79,360.75x = 109,521 × 43,552.05
  4. Step 4: Simplify right side
    79,360.75x = 4,769,864,068.05
  5. Step 5: Solve for x
    x = 4,769,864,068.05/79,360.75
  6. Step 6: Final answer
    x = 60,103.57

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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.