Home / 61,715.84-85,167.72-33,421.52

Finding the Fourth Proportional to 61,715.84, 85,167.72 and 33,421.52

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Solution

The fourth proportional to 61,715.84, 85,167.72 and 33,421.52 is: 46,121.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,715.84 : 85,167.72 = 33,421.52 : x
  2. Step 2: Convert to fraction form
    61,715.84/85,167.72 = 33,421.52/x
  3. Step 3: Cross multiply
    61,715.84x = 85,167.72 × 33,421.52
  4. Step 4: Simplify right side
    61,715.84x = 2,846,434,657.33
  5. Step 5: Solve for x
    x = 2,846,434,657.33/61,715.84
  6. Step 6: Final answer
    x = 46,121.62

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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.