Home / 75,019.89-112,513.10-22,422.54

Finding the Fourth Proportional to 75,019.89, 112,513.10 and 22,422.54

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Solution

The fourth proportional to 75,019.89, 112,513.10 and 22,422.54 is: 33,628.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,019.89 : 112,513.10 = 22,422.54 : x
  2. Step 2: Convert to fraction form
    75,019.89/112,513.10 = 22,422.54/x
  3. Step 3: Cross multiply
    75,019.89x = 112,513.10 × 22,422.54
  4. Step 4: Simplify right side
    75,019.89x = 2,522,829,373.16
  5. Step 5: Solve for x
    x = 2,522,829,373.16/75,019.89
  6. Step 6: Final answer
    x = 33,628.81

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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.