Home / 66,258.09-99,419.03-32,981.07

Finding the Fourth Proportional to 66,258.09, 99,419.03 and 32,981.07

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Solution

The fourth proportional to 66,258.09, 99,419.03 and 32,981.07 is: 49,487.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,258.09 : 99,419.03 = 32,981.07 : x
  2. Step 2: Convert to fraction form
    66,258.09/99,419.03 = 32,981.07/x
  3. Step 3: Cross multiply
    66,258.09x = 99,419.03 × 32,981.07
  4. Step 4: Simplify right side
    66,258.09x = 3,278,945,759.23
  5. Step 5: Solve for x
    x = 3,278,945,759.23/66,258.09
  6. Step 6: Final answer
    x = 49,487.48

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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.