Home / 81,496.89-122,258.30-34,750.17

Finding the Fourth Proportional to 81,496.89, 122,258.30 and 34,750.17

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Solution

The fourth proportional to 81,496.89, 122,258.30 and 34,750.17 is: 52,130.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,496.89 : 122,258.30 = 34,750.17 : x
  2. Step 2: Convert to fraction form
    81,496.89/122,258.30 = 34,750.17/x
  3. Step 3: Cross multiply
    81,496.89x = 122,258.30 × 34,750.17
  4. Step 4: Simplify right side
    81,496.89x = 4,248,496,535.16
  5. Step 5: Solve for x
    x = 4,248,496,535.16/81,496.89
  6. Step 6: Final answer
    x = 52,130.78

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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.