Home / 75,582.10-113,385.34-25,656.94

Finding the Fourth Proportional to 75,582.10, 113,385.34 and 25,656.94

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Solution

The fourth proportional to 75,582.10, 113,385.34 and 25,656.94 is: 38,489.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,582.10 : 113,385.34 = 25,656.94 : x
  2. Step 2: Convert to fraction form
    75,582.10/113,385.34 = 25,656.94/x
  3. Step 3: Cross multiply
    75,582.10x = 113,385.34 × 25,656.94
  4. Step 4: Simplify right side
    75,582.10x = 2,909,120,865.26
  5. Step 5: Solve for x
    x = 2,909,120,865.26/75,582.10
  6. Step 6: Final answer
    x = 38,489.55

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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.