Home / 65,464.62-90,342.45-37,170.24

Finding the Fourth Proportional to 65,464.62, 90,342.45 and 37,170.24

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Solution

The fourth proportional to 65,464.62, 90,342.45 and 37,170.24 is: 51,295.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,464.62 : 90,342.45 = 37,170.24 : x
  2. Step 2: Convert to fraction form
    65,464.62/90,342.45 = 37,170.24/x
  3. Step 3: Cross multiply
    65,464.62x = 90,342.45 × 37,170.24
  4. Step 4: Simplify right side
    65,464.62x = 3,358,050,548.69
  5. Step 5: Solve for x
    x = 3,358,050,548.69/65,464.62
  6. Step 6: Final answer
    x = 51,295.65

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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.