Home / 77,149.24-106,464.78-43,158.52

Finding the Fourth Proportional to 77,149.24, 106,464.78 and 43,158.52

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Solution

The fourth proportional to 77,149.24, 106,464.78 and 43,158.52 is: 59,558.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,149.24 : 106,464.78 = 43,158.52 : x
  2. Step 2: Convert to fraction form
    77,149.24/106,464.78 = 43,158.52/x
  3. Step 3: Cross multiply
    77,149.24x = 106,464.78 × 43,158.52
  4. Step 4: Simplify right side
    77,149.24x = 4,594,862,336.93
  5. Step 5: Solve for x
    x = 4,594,862,336.93/77,149.24
  6. Step 6: Final answer
    x = 59,558.10

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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.