Home / 65,562.08-90,462.12-41,680.04

Finding the Fourth Proportional to 65,562.08, 90,462.12 and 41,680.04

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Solution

The fourth proportional to 65,562.08, 90,462.12 and 41,680.04 is: 57,509.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,562.08 : 90,462.12 = 41,680.04 : x
  2. Step 2: Convert to fraction form
    65,562.08/90,462.12 = 41,680.04/x
  3. Step 3: Cross multiply
    65,562.08x = 90,462.12 × 41,680.04
  4. Step 4: Simplify right side
    65,562.08x = 3,770,464,780.08
  5. Step 5: Solve for x
    x = 3,770,464,780.08/65,562.08
  6. Step 6: Final answer
    x = 57,509.84

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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.