Home / 75,084.86-103,611.20-43,256.31

Finding the Fourth Proportional to 75,084.86, 103,611.20 and 43,256.31

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Solution

The fourth proportional to 75,084.86, 103,611.20 and 43,256.31 is: 59,690.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,084.86 : 103,611.20 = 43,256.31 : x
  2. Step 2: Convert to fraction form
    75,084.86/103,611.20 = 43,256.31/x
  3. Step 3: Cross multiply
    75,084.86x = 103,611.20 × 43,256.31
  4. Step 4: Simplify right side
    75,084.86x = 4,481,837,970.39
  5. Step 5: Solve for x
    x = 4,481,837,970.39/75,084.86
  6. Step 6: Final answer
    x = 59,690.31

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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.