Home / 57,713.08-79,466.40-49,196.11

Finding the Fourth Proportional to 57,713.08, 79,466.40 and 49,196.11

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Solution

The fourth proportional to 57,713.08, 79,466.40 and 49,196.11 is: 67,739.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,713.08 : 79,466.40 = 49,196.11 : x
  2. Step 2: Convert to fraction form
    57,713.08/79,466.40 = 49,196.11/x
  3. Step 3: Cross multiply
    57,713.08x = 79,466.40 × 49,196.11
  4. Step 4: Simplify right side
    57,713.08x = 3,909,437,755.70
  5. Step 5: Solve for x
    x = 3,909,437,755.70/57,713.08
  6. Step 6: Final answer
    x = 67,739.20

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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.