Home / 65,057.12-97,585.68-15,809.12

Finding the Fourth Proportional to 65,057.12, 97,585.68 and 15,809.12

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Solution

The fourth proportional to 65,057.12, 97,585.68 and 15,809.12 is: 23,713.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,057.12 : 97,585.68 = 15,809.12 : x
  2. Step 2: Convert to fraction form
    65,057.12/97,585.68 = 15,809.12/x
  3. Step 3: Cross multiply
    65,057.12x = 97,585.68 × 15,809.12
  4. Step 4: Simplify right side
    65,057.12x = 1,542,743,725.40
  5. Step 5: Solve for x
    x = 1,542,743,725.40/65,057.12
  6. Step 6: Final answer
    x = 23,713.68

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1.5x scale

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.