Home / 56,926.98-78,559.11-31,776.48

Finding the Fourth Proportional to 56,926.98, 78,559.11 and 31,776.48

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Solution

The fourth proportional to 56,926.98, 78,559.11 and 31,776.48 is: 43,851.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,926.98 : 78,559.11 = 31,776.48 : x
  2. Step 2: Convert to fraction form
    56,926.98/78,559.11 = 31,776.48/x
  3. Step 3: Cross multiply
    56,926.98x = 78,559.11 × 31,776.48
  4. Step 4: Simplify right side
    56,926.98x = 2,496,331,987.73
  5. Step 5: Solve for x
    x = 2,496,331,987.73/56,926.98
  6. Step 6: Final answer
    x = 43,851.47

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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.