Home / 57,041.38-78,690.92-36,904.74

Finding the Fourth Proportional to 57,041.38, 78,690.92 and 36,904.74

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Solution

The fourth proportional to 57,041.38, 78,690.92 and 36,904.74 is: 50,911.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,041.38 : 78,690.92 = 36,904.74 : x
  2. Step 2: Convert to fraction form
    57,041.38/78,690.92 = 36,904.74/x
  3. Step 3: Cross multiply
    57,041.38x = 78,690.92 × 36,904.74
  4. Step 4: Simplify right side
    57,041.38x = 2,904,067,942.96
  5. Step 5: Solve for x
    x = 2,904,067,942.96/57,041.38
  6. Step 6: Final answer
    x = 50,911.60

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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.