Home / 78,099.36-107,778.96-44,568.48

Finding the Fourth Proportional to 78,099.36, 107,778.96 and 44,568.48

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Solution

The fourth proportional to 78,099.36, 107,778.96 and 44,568.48 is: 61,505.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,099.36 : 107,778.96 = 44,568.48 : x
  2. Step 2: Convert to fraction form
    78,099.36/107,778.96 = 44,568.48/x
  3. Step 3: Cross multiply
    78,099.36x = 107,778.96 × 44,568.48
  4. Step 4: Simplify right side
    78,099.36x = 4,803,544,423.18
  5. Step 5: Solve for x
    x = 4,803,544,423.18/78,099.36
  6. Step 6: Final answer
    x = 61,505.55

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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.