Home / 76,828.70-115,258.53-32,455.37

Finding the Fourth Proportional to 76,828.70, 115,258.53 and 32,455.37

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Solution

The fourth proportional to 76,828.70, 115,258.53 and 32,455.37 is: 48,689.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,828.70 : 115,258.53 = 32,455.37 : x
  2. Step 2: Convert to fraction form
    76,828.70/115,258.53 = 32,455.37/x
  3. Step 3: Cross multiply
    76,828.70x = 115,258.53 × 32,455.37
  4. Step 4: Simplify right side
    76,828.70x = 3,740,758,524.95
  5. Step 5: Solve for x
    x = 3,740,758,524.95/76,828.70
  6. Step 6: Final answer
    x = 48,689.60

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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.