Home / 57,261.08-78,993.09-38,149.74

Finding the Fourth Proportional to 57,261.08, 78,993.09 and 38,149.74

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Solution

The fourth proportional to 57,261.08, 78,993.09 and 38,149.74 is: 52,628.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,261.08 : 78,993.09 = 38,149.74 : x
  2. Step 2: Convert to fraction form
    57,261.08/78,993.09 = 38,149.74/x
  3. Step 3: Cross multiply
    57,261.08x = 78,993.09 × 38,149.74
  4. Step 4: Simplify right side
    57,261.08x = 3,013,565,845.30
  5. Step 5: Solve for x
    x = 3,013,565,845.30/57,261.08
  6. Step 6: Final answer
    x = 52,628.52

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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.