Home / 92,036.19-137,992.79-74,288.69

Finding the Fourth Proportional to 92,036.19, 137,992.79 and 74,288.69

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Solution

The fourth proportional to 92,036.19, 137,992.79 and 74,288.69 is: 111,383.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,036.19 : 137,992.79 = 74,288.69 : x
  2. Step 2: Convert to fraction form
    92,036.19/137,992.79 = 74,288.69/x
  3. Step 3: Cross multiply
    92,036.19x = 137,992.79 × 74,288.69
  4. Step 4: Simplify right side
    92,036.19x = 10,251,302,537.14
  5. Step 5: Solve for x
    x = 10,251,302,537.14/92,036.19
  6. Step 6: Final answer
    x = 111,383.39

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1.5x scale

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.