Home / 61,853.06-92,780.16-19,739.54

Finding the Fourth Proportional to 61,853.06, 92,780.16 and 19,739.54

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Solution

The fourth proportional to 61,853.06, 92,780.16 and 19,739.54 is: 29,609.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,853.06 : 92,780.16 = 19,739.54 : x
  2. Step 2: Convert to fraction form
    61,853.06/92,780.16 = 19,739.54/x
  3. Step 3: Cross multiply
    61,853.06x = 92,780.16 × 19,739.54
  4. Step 4: Simplify right side
    61,853.06x = 1,831,437,679.53
  5. Step 5: Solve for x
    x = 1,831,437,679.53/61,853.06
  6. Step 6: Final answer
    x = 29,609.49

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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.