Home / 111,979.40-154,526.94-60,992.33

Finding the Fourth Proportional to 111,979.40, 154,526.94 and 60,992.33

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Solution

The fourth proportional to 111,979.40, 154,526.94 and 60,992.33 is: 84,166.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,979.40 : 154,526.94 = 60,992.33 : x
  2. Step 2: Convert to fraction form
    111,979.40/154,526.94 = 60,992.33/x
  3. Step 3: Cross multiply
    111,979.40x = 154,526.94 × 60,992.33
  4. Step 4: Simplify right side
    111,979.40x = 9,424,957,345.74
  5. Step 5: Solve for x
    x = 9,424,957,345.74/111,979.40
  6. Step 6: Final answer
    x = 84,166.89

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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.