Home / 65,934.20-98,831.58-21,549.02

Finding the Fourth Proportional to 65,934.20, 98,831.58 and 21,549.02

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Solution

The fourth proportional to 65,934.20, 98,831.58 and 21,549.02 is: 32,300.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,934.20 : 98,831.58 = 21,549.02 : x
  2. Step 2: Convert to fraction form
    65,934.20/98,831.58 = 21,549.02/x
  3. Step 3: Cross multiply
    65,934.20x = 98,831.58 × 21,549.02
  4. Step 4: Simplify right side
    65,934.20x = 2,129,723,694.05
  5. Step 5: Solve for x
    x = 2,129,723,694.05/65,934.20
  6. Step 6: Final answer
    x = 32,300.74

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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.