Home / 74,254.18-111,401.82-34,285.39

Finding the Fourth Proportional to 74,254.18, 111,401.82 and 34,285.39

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Solution

The fourth proportional to 74,254.18, 111,401.82 and 34,285.39 is: 51,437.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,254.18 : 111,401.82 = 34,285.39 : x
  2. Step 2: Convert to fraction form
    74,254.18/111,401.82 = 34,285.39/x
  3. Step 3: Cross multiply
    74,254.18x = 111,401.82 × 34,285.39
  4. Step 4: Simplify right side
    74,254.18x = 3,819,454,845.41
  5. Step 5: Solve for x
    x = 3,819,454,845.41/74,254.18
  6. Step 6: Final answer
    x = 51,437.57

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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.