Home / 75,287.09-103,897.53-41,293.52

Finding the Fourth Proportional to 75,287.09, 103,897.53 and 41,293.52

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Solution

The fourth proportional to 75,287.09, 103,897.53 and 41,293.52 is: 56,985.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,287.09 : 103,897.53 = 41,293.52 : x
  2. Step 2: Convert to fraction form
    75,287.09/103,897.53 = 41,293.52/x
  3. Step 3: Cross multiply
    75,287.09x = 103,897.53 × 41,293.52
  4. Step 4: Simplify right side
    75,287.09x = 4,290,294,213.52
  5. Step 5: Solve for x
    x = 4,290,294,213.52/75,287.09
  6. Step 6: Final answer
    x = 56,985.79

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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.