Home / 75,725.88-113,518.74-28,941.24

Finding the Fourth Proportional to 75,725.88, 113,518.74 and 28,941.24

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Solution

The fourth proportional to 75,725.88, 113,518.74 and 28,941.24 is: 43,385.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,725.88 : 113,518.74 = 28,941.24 : x
  2. Step 2: Convert to fraction form
    75,725.88/113,518.74 = 28,941.24/x
  3. Step 3: Cross multiply
    75,725.88x = 113,518.74 × 28,941.24
  4. Step 4: Simplify right side
    75,725.88x = 3,285,373,098.84
  5. Step 5: Solve for x
    x = 3,285,373,098.84/75,725.88
  6. Step 6: Final answer
    x = 43,385.08

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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.