Home / 80,234.74-120,368.51-27,637.39

Finding the Fourth Proportional to 80,234.74, 120,368.51 and 27,637.39

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Solution

The fourth proportional to 80,234.74, 120,368.51 and 27,637.39 is: 41,461.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,234.74 : 120,368.51 = 27,637.39 : x
  2. Step 2: Convert to fraction form
    80,234.74/120,368.51 = 27,637.39/x
  3. Step 3: Cross multiply
    80,234.74x = 120,368.51 × 27,637.39
  4. Step 4: Simplify right side
    80,234.74x = 3,326,671,454.59
  5. Step 5: Solve for x
    x = 3,326,671,454.59/80,234.74
  6. Step 6: Final answer
    x = 41,461.73

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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.