Home / 56,148.97-77,393.27-39,801.66

Finding the Fourth Proportional to 56,148.97, 77,393.27 and 39,801.66

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Solution

The fourth proportional to 56,148.97, 77,393.27 and 39,801.66 is: 54,860.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,148.97 : 77,393.27 = 39,801.66 : x
  2. Step 2: Convert to fraction form
    56,148.97/77,393.27 = 39,801.66/x
  3. Step 3: Cross multiply
    56,148.97x = 77,393.27 × 39,801.66
  4. Step 4: Simplify right side
    56,148.97x = 3,080,380,618.83
  5. Step 5: Solve for x
    x = 3,080,380,618.83/56,148.97
  6. Step 6: Final answer
    x = 54,860.86

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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.