Home / 61,090.29-91,639.53-16,717.43

Finding the Fourth Proportional to 61,090.29, 91,639.53 and 16,717.43

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Solution

The fourth proportional to 61,090.29, 91,639.53 and 16,717.43 is: 25,077.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,090.29 : 91,639.53 = 16,717.43 : x
  2. Step 2: Convert to fraction form
    61,090.29/91,639.53 = 16,717.43/x
  3. Step 3: Cross multiply
    61,090.29x = 91,639.53 × 16,717.43
  4. Step 4: Simplify right side
    61,090.29x = 1,531,976,969.81
  5. Step 5: Solve for x
    x = 1,531,976,969.81/61,090.29
  6. Step 6: Final answer
    x = 25,077.26

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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.