Home / 41,153.13-61,729.71-9,988.38

Finding the Fourth Proportional to 41,153.13, 61,729.71 and 9,988.38

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Solution

The fourth proportional to 41,153.13, 61,729.71 and 9,988.38 is: 14,982.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,153.13 : 61,729.71 = 9,988.38 : x
  2. Step 2: Convert to fraction form
    41,153.13/61,729.71 = 9,988.38/x
  3. Step 3: Cross multiply
    41,153.13x = 61,729.71 × 9,988.38
  4. Step 4: Simplify right side
    41,153.13x = 616,579,800.77
  5. Step 5: Solve for x
    x = 616,579,800.77/41,153.13
  6. Step 6: Final answer
    x = 14,982.57

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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.