Home / 65,088.28-89,825.70-36,796.60

Finding the Fourth Proportional to 65,088.28, 89,825.70 and 36,796.60

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Solution

The fourth proportional to 65,088.28, 89,825.70 and 36,796.60 is: 50,781.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,088.28 : 89,825.70 = 36,796.60 : x
  2. Step 2: Convert to fraction form
    65,088.28/89,825.70 = 36,796.60/x
  3. Step 3: Cross multiply
    65,088.28x = 89,825.70 × 36,796.60
  4. Step 4: Simplify right side
    65,088.28x = 3,305,280,352.62
  5. Step 5: Solve for x
    x = 3,305,280,352.62/65,088.28
  6. Step 6: Final answer
    x = 50,781.50

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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.