Home / 65,919.60-90,943.95-48,733.23

Finding the Fourth Proportional to 65,919.60, 90,943.95 and 48,733.23

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Solution

The fourth proportional to 65,919.60, 90,943.95 and 48,733.23 is: 67,233.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,919.60 : 90,943.95 = 48,733.23 : x
  2. Step 2: Convert to fraction form
    65,919.60/90,943.95 = 48,733.23/x
  3. Step 3: Cross multiply
    65,919.60x = 90,943.95 × 48,733.23
  4. Step 4: Simplify right side
    65,919.60x = 4,431,992,659.82
  5. Step 5: Solve for x
    x = 4,431,992,659.82/65,919.60
  6. Step 6: Final answer
    x = 67,233.30

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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.