Home / 56,326.97-77,732.44-31,176.47

Finding the Fourth Proportional to 56,326.97, 77,732.44 and 31,176.47

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Solution

The fourth proportional to 56,326.97, 77,732.44 and 31,176.47 is: 43,024.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,326.97 : 77,732.44 = 31,176.47 : x
  2. Step 2: Convert to fraction form
    56,326.97/77,732.44 = 31,176.47/x
  3. Step 3: Cross multiply
    56,326.97x = 77,732.44 × 31,176.47
  4. Step 4: Simplify right side
    56,326.97x = 2,423,422,927.80
  5. Step 5: Solve for x
    x = 2,423,422,927.80/56,326.97
  6. Step 6: Final answer
    x = 43,024.20

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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.