Home / 75,692.07-113,498.69-28,268.19

Finding the Fourth Proportional to 75,692.07, 113,498.69 and 28,268.19

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Solution

The fourth proportional to 75,692.07, 113,498.69 and 28,268.19 is: 42,387.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,692.07 : 113,498.69 = 28,268.19 : x
  2. Step 2: Convert to fraction form
    75,692.07/113,498.69 = 28,268.19/x
  3. Step 3: Cross multiply
    75,692.07x = 113,498.69 × 28,268.19
  4. Step 4: Simplify right side
    75,692.07x = 3,208,402,392.33
  5. Step 5: Solve for x
    x = 3,208,402,392.33/75,692.07
  6. Step 6: Final answer
    x = 42,387.56

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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.