Home / 75,933.39-113,909.20-31,590.14

Finding the Fourth Proportional to 75,933.39, 113,909.20 and 31,590.14

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Solution

The fourth proportional to 75,933.39, 113,909.20 and 31,590.14 is: 47,389.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,933.39 : 113,909.20 = 31,590.14 : x
  2. Step 2: Convert to fraction form
    75,933.39/113,909.20 = 31,590.14/x
  3. Step 3: Cross multiply
    75,933.39x = 113,909.20 × 31,590.14
  4. Step 4: Simplify right side
    75,933.39x = 3,598,407,781.09
  5. Step 5: Solve for x
    x = 3,598,407,781.09/75,933.39
  6. Step 6: Final answer
    x = 47,389.00

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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.