Home / 80,247.93-120,372.50-21,083.49

Finding the Fourth Proportional to 80,247.93, 120,372.50 and 21,083.49

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Solution

The fourth proportional to 80,247.93, 120,372.50 and 21,083.49 is: 31,625.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,247.93 : 120,372.50 = 21,083.49 : x
  2. Step 2: Convert to fraction form
    80,247.93/120,372.50 = 21,083.49/x
  3. Step 3: Cross multiply
    80,247.93x = 120,372.50 × 21,083.49
  4. Step 4: Simplify right side
    80,247.93x = 2,537,872,294.61
  5. Step 5: Solve for x
    x = 2,537,872,294.61/80,247.93
  6. Step 6: Final answer
    x = 31,625.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.