Home / 75,155.52-112,739.21-25,235.43

Finding the Fourth Proportional to 75,155.52, 112,739.21 and 25,235.43

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Solution

The fourth proportional to 75,155.52, 112,739.21 and 25,235.43 is: 37,855.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,155.52 : 112,739.21 = 25,235.43 : x
  2. Step 2: Convert to fraction form
    75,155.52/112,739.21 = 25,235.43/x
  3. Step 3: Cross multiply
    75,155.52x = 112,739.21 × 25,235.43
  4. Step 4: Simplify right side
    75,155.52x = 2,845,021,987.89
  5. Step 5: Solve for x
    x = 2,845,021,987.89/75,155.52
  6. Step 6: Final answer
    x = 37,855.13

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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.