Home / 66,446.09-91,717.83-39,597.02

Finding the Fourth Proportional to 66,446.09, 91,717.83 and 39,597.02

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Solution

The fourth proportional to 66,446.09, 91,717.83 and 39,597.02 is: 54,657.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,446.09 : 91,717.83 = 39,597.02 : x
  2. Step 2: Convert to fraction form
    66,446.09/91,717.83 = 39,597.02/x
  3. Step 3: Cross multiply
    66,446.09x = 91,717.83 × 39,597.02
  4. Step 4: Simplify right side
    66,446.09x = 3,631,752,748.87
  5. Step 5: Solve for x
    x = 3,631,752,748.87/66,446.09
  6. Step 6: Final answer
    x = 54,657.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.