Home / 90,634.33-125,078.92-62,014.02

Finding the Fourth Proportional to 90,634.33, 125,078.92 and 62,014.02

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Solution

The fourth proportional to 90,634.33, 125,078.92 and 62,014.02 is: 85,581.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,634.33 : 125,078.92 = 62,014.02 : x
  2. Step 2: Convert to fraction form
    90,634.33/125,078.92 = 62,014.02/x
  3. Step 3: Cross multiply
    90,634.33x = 125,078.92 × 62,014.02
  4. Step 4: Simplify right side
    90,634.33x = 7,756,646,459.89
  5. Step 5: Solve for x
    x = 7,756,646,459.89/90,634.33
  6. Step 6: Final answer
    x = 85,581.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.