Home / 53,905.78-73,851.19-51,885.62

Finding the Fourth Proportional to 53,905.78, 73,851.19 and 51,885.62

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Solution

The fourth proportional to 53,905.78, 73,851.19 and 51,885.62 is: 71,083.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,905.78 : 73,851.19 = 51,885.62 : x
  2. Step 2: Convert to fraction form
    53,905.78/73,851.19 = 51,885.62/x
  3. Step 3: Cross multiply
    53,905.78x = 73,851.19 × 51,885.62
  4. Step 4: Simplify right side
    53,905.78x = 3,831,814,780.89
  5. Step 5: Solve for x
    x = 3,831,814,780.89/53,905.78
  6. Step 6: Final answer
    x = 71,083.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.