Home / 75,642.63-113,327.07-54,468.03

Finding the Fourth Proportional to 75,642.63, 113,327.07 and 54,468.03

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Solution

The fourth proportional to 75,642.63, 113,327.07 and 54,468.03 is: 81,603.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,642.63 : 113,327.07 = 54,468.03 : x
  2. Step 2: Convert to fraction form
    75,642.63/113,327.07 = 54,468.03/x
  3. Step 3: Cross multiply
    75,642.63x = 113,327.07 × 54,468.03
  4. Step 4: Simplify right side
    75,642.63x = 6,172,702,248.57
  5. Step 5: Solve for x
    x = 6,172,702,248.57/75,642.63
  6. Step 6: Final answer
    x = 81,603.49

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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.