Home / 61,854.06-92,781.66-19,740.54

Finding the Fourth Proportional to 61,854.06, 92,781.66 and 19,740.54

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Solution

The fourth proportional to 61,854.06, 92,781.66 and 19,740.54 is: 29,610.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,854.06 : 92,781.66 = 19,740.54 : x
  2. Step 2: Convert to fraction form
    61,854.06/92,781.66 = 19,740.54/x
  3. Step 3: Cross multiply
    61,854.06x = 92,781.66 × 19,740.54
  4. Step 4: Simplify right side
    61,854.06x = 1,831,560,070.50
  5. Step 5: Solve for x
    x = 1,831,560,070.50/61,854.06
  6. Step 6: Final answer
    x = 29,610.99

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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.