Home / 78,022.67-107,671.24-44,038.28

Finding the Fourth Proportional to 78,022.67, 107,671.24 and 44,038.28

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Solution

The fourth proportional to 78,022.67, 107,671.24 and 44,038.28 is: 60,772.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,022.67 : 107,671.24 = 44,038.28 : x
  2. Step 2: Convert to fraction form
    78,022.67/107,671.24 = 44,038.28/x
  3. Step 3: Cross multiply
    78,022.67x = 107,671.24 × 44,038.28
  4. Step 4: Simplify right side
    78,022.67x = 4,741,656,236.47
  5. Step 5: Solve for x
    x = 4,741,656,236.47/78,022.67
  6. Step 6: Final answer
    x = 60,772.81

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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.