Home / 75,141.23-103,669.72-43,309.44

Finding the Fourth Proportional to 75,141.23, 103,669.72 and 43,309.44

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Solution

The fourth proportional to 75,141.23, 103,669.72 and 43,309.44 is: 59,752.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,141.23 : 103,669.72 = 43,309.44 : x
  2. Step 2: Convert to fraction form
    75,141.23/103,669.72 = 43,309.44/x
  3. Step 3: Cross multiply
    75,141.23x = 103,669.72 × 43,309.44
  4. Step 4: Simplify right side
    75,141.23x = 4,489,877,409.88
  5. Step 5: Solve for x
    x = 4,489,877,409.88/75,141.23
  6. Step 6: Final answer
    x = 59,752.52

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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.