Home / 61,930.53-92,897.01-19,818.63

Finding the Fourth Proportional to 61,930.53, 92,897.01 and 19,818.63

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Solution

The fourth proportional to 61,930.53, 92,897.01 and 19,818.63 is: 29,728.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,930.53 : 92,897.01 = 19,818.63 : x
  2. Step 2: Convert to fraction form
    61,930.53/92,897.01 = 19,818.63/x
  3. Step 3: Cross multiply
    61,930.53x = 92,897.01 × 19,818.63
  4. Step 4: Simplify right side
    61,930.53x = 1,841,091,469.30
  5. Step 5: Solve for x
    x = 1,841,091,469.30/61,930.53
  6. Step 6: Final answer
    x = 29,728.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.