Home / 57,338.10-86,007.15-43,341.30

Finding the Fourth Proportional to 57,338.10, 86,007.15 and 43,341.30

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Solution

The fourth proportional to 57,338.10, 86,007.15 and 43,341.30 is: 65,011.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,338.10 : 86,007.15 = 43,341.30 : x
  2. Step 2: Convert to fraction form
    57,338.10/86,007.15 = 43,341.30/x
  3. Step 3: Cross multiply
    57,338.10x = 86,007.15 × 43,341.30
  4. Step 4: Simplify right side
    57,338.10x = 3,727,661,690.30
  5. Step 5: Solve for x
    x = 3,727,661,690.30/57,338.10
  6. Step 6: Final answer
    x = 65,011.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.