Home / 75,158.64-103,718.76-43,327.32

Finding the Fourth Proportional to 75,158.64, 103,718.76 and 43,327.32

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Solution

The fourth proportional to 75,158.64, 103,718.76 and 43,327.32 is: 59,791.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,158.64 : 103,718.76 = 43,327.32 : x
  2. Step 2: Convert to fraction form
    75,158.64/103,718.76 = 43,327.32/x
  3. Step 3: Cross multiply
    75,158.64x = 103,718.76 × 43,327.32
  4. Step 4: Simplify right side
    75,158.64x = 4,493,855,904.52
  5. Step 5: Solve for x
    x = 4,493,855,904.52/75,158.64
  6. Step 6: Final answer
    x = 59,791.61

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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.