Home / 85,101.38-117,437.78-46,860.62

Finding the Fourth Proportional to 85,101.38, 117,437.78 and 46,860.62

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Solution

The fourth proportional to 85,101.38, 117,437.78 and 46,860.62 is: 64,666.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,101.38 : 117,437.78 = 46,860.62 : x
  2. Step 2: Convert to fraction form
    85,101.38/117,437.78 = 46,860.62/x
  3. Step 3: Cross multiply
    85,101.38x = 117,437.78 × 46,860.62
  4. Step 4: Simplify right side
    85,101.38x = 5,503,206,976.85
  5. Step 5: Solve for x
    x = 5,503,206,976.85/85,101.38
  6. Step 6: Final answer
    x = 64,666.48

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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.