Home / 56,335.94-77,747.55-31,187.06

Finding the Fourth Proportional to 56,335.94, 77,747.55 and 31,187.06

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Solution

The fourth proportional to 56,335.94, 77,747.55 and 31,187.06 is: 43,040.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,335.94 : 77,747.55 = 31,187.06 : x
  2. Step 2: Convert to fraction form
    56,335.94/77,747.55 = 31,187.06/x
  3. Step 3: Cross multiply
    56,335.94x = 77,747.55 × 31,187.06
  4. Step 4: Simplify right side
    56,335.94x = 2,424,717,506.70
  5. Step 5: Solve for x
    x = 2,424,717,506.70/56,335.94
  6. Step 6: Final answer
    x = 43,040.33

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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.