Home / 75,069.64-103,594.98-43,238.80

Finding the Fourth Proportional to 75,069.64, 103,594.98 and 43,238.80

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Solution

The fourth proportional to 75,069.64, 103,594.98 and 43,238.80 is: 59,668.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,069.64 : 103,594.98 = 43,238.80 : x
  2. Step 2: Convert to fraction form
    75,069.64/103,594.98 = 43,238.80/x
  3. Step 3: Cross multiply
    75,069.64x = 103,594.98 × 43,238.80
  4. Step 4: Simplify right side
    75,069.64x = 4,479,322,621.22
  5. Step 5: Solve for x
    x = 4,479,322,621.22/75,069.64
  6. Step 6: Final answer
    x = 59,668.90

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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.