Home / 65,809.08-90,816.21-35,594.43

Finding the Fourth Proportional to 65,809.08, 90,816.21 and 35,594.43

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Solution

The fourth proportional to 65,809.08, 90,816.21 and 35,594.43 is: 49,120.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,809.08 : 90,816.21 = 35,594.43 : x
  2. Step 2: Convert to fraction form
    65,809.08/90,816.21 = 35,594.43/x
  3. Step 3: Cross multiply
    65,809.08x = 90,816.21 × 35,594.43
  4. Step 4: Simplify right side
    65,809.08x = 3,232,551,229.71
  5. Step 5: Solve for x
    x = 3,232,551,229.71/65,809.08
  6. Step 6: Final answer
    x = 49,120.14

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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.