Home / 48,111.40-66,421.38-33,025.96

Finding the Fourth Proportional to 48,111.40, 66,421.38 and 33,025.96

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Solution

The fourth proportional to 48,111.40, 66,421.38 and 33,025.96 is: 45,594.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,111.40 : 66,421.38 = 33,025.96 : x
  2. Step 2: Convert to fraction form
    48,111.40/66,421.38 = 33,025.96/x
  3. Step 3: Cross multiply
    48,111.40x = 66,421.38 × 33,025.96
  4. Step 4: Simplify right side
    48,111.40x = 2,193,629,839.02
  5. Step 5: Solve for x
    x = 2,193,629,839.02/48,111.40
  6. Step 6: Final answer
    x = 45,594.80

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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.