Home / 54,885.02-75,753.75-31,025.54

Finding the Fourth Proportional to 54,885.02, 75,753.75 and 31,025.54

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Solution

The fourth proportional to 54,885.02, 75,753.75 and 31,025.54 is: 42,822.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,885.02 : 75,753.75 = 31,025.54 : x
  2. Step 2: Convert to fraction form
    54,885.02/75,753.75 = 31,025.54/x
  3. Step 3: Cross multiply
    54,885.02x = 75,753.75 × 31,025.54
  4. Step 4: Simplify right side
    54,885.02x = 2,350,301,000.78
  5. Step 5: Solve for x
    x = 2,350,301,000.78/54,885.02
  6. Step 6: Final answer
    x = 42,822.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.