Home / 80,453.75-111,031.43-46,463.66

Finding the Fourth Proportional to 80,453.75, 111,031.43 and 46,463.66

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Solution

The fourth proportional to 80,453.75, 111,031.43 and 46,463.66 is: 64,122.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,453.75 : 111,031.43 = 46,463.66 : x
  2. Step 2: Convert to fraction form
    80,453.75/111,031.43 = 46,463.66/x
  3. Step 3: Cross multiply
    80,453.75x = 111,031.43 × 46,463.66
  4. Step 4: Simplify right side
    80,453.75x = 5,158,925,825.36
  5. Step 5: Solve for x
    x = 5,158,925,825.36/80,453.75
  6. Step 6: Final answer
    x = 64,122.88

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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.