Home / 61,939.13-92,922.54-19,821.74

Finding the Fourth Proportional to 61,939.13, 92,922.54 and 19,821.74

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Solution

The fourth proportional to 61,939.13, 92,922.54 and 19,821.74 is: 29,737.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,939.13 : 92,922.54 = 19,821.74 : x
  2. Step 2: Convert to fraction form
    61,939.13/92,922.54 = 19,821.74/x
  3. Step 3: Cross multiply
    61,939.13x = 92,922.54 × 19,821.74
  4. Step 4: Simplify right side
    61,939.13x = 1,841,885,864.30
  5. Step 5: Solve for x
    x = 1,841,885,864.30/61,939.13
  6. Step 6: Final answer
    x = 29,737.03

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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.