Home / 57,118.61-78,823.67-31,968.11

Finding the Fourth Proportional to 57,118.61, 78,823.67 and 31,968.11

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Solution

The fourth proportional to 57,118.61, 78,823.67 and 31,968.11 is: 44,115.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,118.61 : 78,823.67 = 31,968.11 : x
  2. Step 2: Convert to fraction form
    57,118.61/78,823.67 = 31,968.11/x
  3. Step 3: Cross multiply
    57,118.61x = 78,823.67 × 31,968.11
  4. Step 4: Simplify right side
    57,118.61x = 2,519,843,199.20
  5. Step 5: Solve for x
    x = 2,519,843,199.20/57,118.61
  6. Step 6: Final answer
    x = 44,115.98

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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.