Home / 74,084.60-111,162.28-34,635.98

Finding the Fourth Proportional to 74,084.60, 111,162.28 and 34,635.98

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Solution

The fourth proportional to 74,084.60, 111,162.28 and 34,635.98 is: 51,970.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,084.60 : 111,162.28 = 34,635.98 : x
  2. Step 2: Convert to fraction form
    74,084.60/111,162.28 = 34,635.98/x
  3. Step 3: Cross multiply
    74,084.60x = 111,162.28 × 34,635.98
  4. Step 4: Simplify right side
    74,084.60x = 3,850,214,506.83
  5. Step 5: Solve for x
    x = 3,850,214,506.83/74,084.60
  6. Step 6: Final answer
    x = 51,970.51

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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.