Home / 74,363.58-111,514.77-36,909.90

Finding the Fourth Proportional to 74,363.58, 111,514.77 and 36,909.90

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Solution

The fourth proportional to 74,363.58, 111,514.77 and 36,909.90 is: 55,349.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,363.58 : 111,514.77 = 36,909.90 : x
  2. Step 2: Convert to fraction form
    74,363.58/111,514.77 = 36,909.90/x
  3. Step 3: Cross multiply
    74,363.58x = 111,514.77 × 36,909.90
  4. Step 4: Simplify right side
    74,363.58x = 4,115,999,009.22
  5. Step 5: Solve for x
    x = 4,115,999,009.22/74,363.58
  6. Step 6: Final answer
    x = 55,349.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.