Home / 75,989.10-113,999.85-23,403.90

Finding the Fourth Proportional to 75,989.10, 113,999.85 and 23,403.90

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Solution

The fourth proportional to 75,989.10, 113,999.85 and 23,403.90 is: 35,110.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,989.10 : 113,999.85 = 23,403.90 : x
  2. Step 2: Convert to fraction form
    75,989.10/113,999.85 = 23,403.90/x
  3. Step 3: Cross multiply
    75,989.10x = 113,999.85 × 23,403.90
  4. Step 4: Simplify right side
    75,989.10x = 2,668,041,089.42
  5. Step 5: Solve for x
    x = 2,668,041,089.42/75,989.10
  6. Step 6: Final answer
    x = 35,110.84

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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.