Home / 65,194.43-89,968.61-36,905.59

Finding the Fourth Proportional to 65,194.43, 89,968.61 and 36,905.59

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Solution

The fourth proportional to 65,194.43, 89,968.61 and 36,905.59 is: 50,929.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,194.43 : 89,968.61 = 36,905.59 : x
  2. Step 2: Convert to fraction form
    65,194.43/89,968.61 = 36,905.59/x
  3. Step 3: Cross multiply
    65,194.43x = 89,968.61 × 36,905.59
  4. Step 4: Simplify right side
    65,194.43x = 3,320,343,999.16
  5. Step 5: Solve for x
    x = 3,320,343,999.16/65,194.43
  6. Step 6: Final answer
    x = 50,929.87

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1.5x scale

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.