Home / 78,406.41-108,193.04-44,408.12

Finding the Fourth Proportional to 78,406.41, 108,193.04 and 44,408.12

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Solution

The fourth proportional to 78,406.41, 108,193.04 and 44,408.12 is: 61,278.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,406.41 : 108,193.04 = 44,408.12 : x
  2. Step 2: Convert to fraction form
    78,406.41/108,193.04 = 44,408.12/x
  3. Step 3: Cross multiply
    78,406.41x = 108,193.04 × 44,408.12
  4. Step 4: Simplify right side
    78,406.41x = 4,804,648,740.48
  5. Step 5: Solve for x
    x = 4,804,648,740.48/78,406.41
  6. Step 6: Final answer
    x = 61,278.77

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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.