Home / 56,843.09-78,446.66-32,643.78

Finding the Fourth Proportional to 56,843.09, 78,446.66 and 32,643.78

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Solution

The fourth proportional to 56,843.09, 78,446.66 and 32,643.78 is: 45,050.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,843.09 : 78,446.66 = 32,643.78 : x
  2. Step 2: Convert to fraction form
    56,843.09/78,446.66 = 32,643.78/x
  3. Step 3: Cross multiply
    56,843.09x = 78,446.66 × 32,643.78
  4. Step 4: Simplify right side
    56,843.09x = 2,560,796,036.61
  5. Step 5: Solve for x
    x = 2,560,796,036.61/56,843.09
  6. Step 6: Final answer
    x = 45,050.26

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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.