Home / 75,070.87-103,635.31-43,233.62

Finding the Fourth Proportional to 75,070.87, 103,635.31 and 43,233.62

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Solution

The fourth proportional to 75,070.87, 103,635.31 and 43,233.62 is: 59,684.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,070.87 : 103,635.31 = 43,233.62 : x
  2. Step 2: Convert to fraction form
    75,070.87/103,635.31 = 43,233.62/x
  3. Step 3: Cross multiply
    75,070.87x = 103,635.31 × 43,233.62
  4. Step 4: Simplify right side
    75,070.87x = 4,480,529,611.12
  5. Step 5: Solve for x
    x = 4,480,529,611.12/75,070.87
  6. Step 6: Final answer
    x = 59,684.00

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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.