Home / 111,553.07-153,942.39-60,564.80

Finding the Fourth Proportional to 111,553.07, 153,942.39 and 60,564.80

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Solution

The fourth proportional to 111,553.07, 153,942.39 and 60,564.80 is: 83,578.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,553.07 : 153,942.39 = 60,564.80 : x
  2. Step 2: Convert to fraction form
    111,553.07/153,942.39 = 60,564.80/x
  3. Step 3: Cross multiply
    111,553.07x = 153,942.39 × 60,564.80
  4. Step 4: Simplify right side
    111,553.07x = 9,323,490,219.61
  5. Step 5: Solve for x
    x = 9,323,490,219.61/111,553.07
  6. Step 6: Final answer
    x = 83,578.96

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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.