Home / 75,335.32-113,021.96-53,191.95

Finding the Fourth Proportional to 75,335.32, 113,021.96 and 53,191.95

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Solution

The fourth proportional to 75,335.32, 113,021.96 and 53,191.95 is: 79,801.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,335.32 : 113,021.96 = 53,191.95 : x
  2. Step 2: Convert to fraction form
    75,335.32/113,021.96 = 53,191.95/x
  3. Step 3: Cross multiply
    75,335.32x = 113,021.96 × 53,191.95
  4. Step 4: Simplify right side
    75,335.32x = 6,011,858,445.22
  5. Step 5: Solve for x
    x = 6,011,858,445.22/75,335.32
  6. Step 6: Final answer
    x = 79,801.33

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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.