Home / 57,447.11-79,278.12-33,587.62

Finding the Fourth Proportional to 57,447.11, 79,278.12 and 33,587.62

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Solution

The fourth proportional to 57,447.11, 79,278.12 and 33,587.62 is: 46,351.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,447.11 : 79,278.12 = 33,587.62 : x
  2. Step 2: Convert to fraction form
    57,447.11/79,278.12 = 33,587.62/x
  3. Step 3: Cross multiply
    57,447.11x = 79,278.12 × 33,587.62
  4. Step 4: Simplify right side
    57,447.11x = 2,662,763,368.87
  5. Step 5: Solve for x
    x = 2,662,763,368.87/57,447.11
  6. Step 6: Final answer
    x = 46,351.56

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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.