Home / 61,338.25-84,646.79-36,187.75

Finding the Fourth Proportional to 61,338.25, 84,646.79 and 36,187.75

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Solution

The fourth proportional to 61,338.25, 84,646.79 and 36,187.75 is: 49,939.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,338.25 : 84,646.79 = 36,187.75 : x
  2. Step 2: Convert to fraction form
    61,338.25/84,646.79 = 36,187.75/x
  3. Step 3: Cross multiply
    61,338.25x = 84,646.79 × 36,187.75
  4. Step 4: Simplify right side
    61,338.25x = 3,063,176,874.82
  5. Step 5: Solve for x
    x = 3,063,176,874.82/61,338.25
  6. Step 6: Final answer
    x = 49,939.10

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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.