Home / 111,828.45-154,324.49-60,841.47

Finding the Fourth Proportional to 111,828.45, 154,324.49 and 60,841.47

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Solution

The fourth proportional to 111,828.45, 154,324.49 and 60,841.47 is: 83,961.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,828.45 : 154,324.49 = 60,841.47 : x
  2. Step 2: Convert to fraction form
    111,828.45/154,324.49 = 60,841.47/x
  3. Step 3: Cross multiply
    111,828.45x = 154,324.49 × 60,841.47
  4. Step 4: Simplify right side
    111,828.45x = 9,389,328,524.39
  5. Step 5: Solve for x
    x = 9,389,328,524.39/111,828.45
  6. Step 6: Final answer
    x = 83,961.89

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1.5x scale

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.