Home / 61,515.42-84,890.90-34,666.55

Finding the Fourth Proportional to 61,515.42, 84,890.90 and 34,666.55

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Solution

The fourth proportional to 61,515.42, 84,890.90 and 34,666.55 is: 47,839.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,515.42 : 84,890.90 = 34,666.55 : x
  2. Step 2: Convert to fraction form
    61,515.42/84,890.90 = 34,666.55/x
  3. Step 3: Cross multiply
    61,515.42x = 84,890.90 × 34,666.55
  4. Step 4: Simplify right side
    61,515.42x = 2,942,874,031.61
  5. Step 5: Solve for x
    x = 2,942,874,031.61/61,515.42
  6. Step 6: Final answer
    x = 47,839.62

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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.