Home / 61,715.24-85,167.10-33,420.96

Finding the Fourth Proportional to 61,715.24, 85,167.10 and 33,420.96

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Solution

The fourth proportional to 61,715.24, 85,167.10 and 33,420.96 is: 46,120.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,715.24 : 85,167.10 = 33,420.96 : x
  2. Step 2: Convert to fraction form
    61,715.24/85,167.10 = 33,420.96/x
  3. Step 3: Cross multiply
    61,715.24x = 85,167.10 × 33,420.96
  4. Step 4: Simplify right side
    61,715.24x = 2,846,366,242.42
  5. Step 5: Solve for x
    x = 2,846,366,242.42/61,715.24
  6. Step 6: Final answer
    x = 46,120.96

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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.