Home / 55,657.02-76,761.90-48,928.26

Finding the Fourth Proportional to 55,657.02, 76,761.90 and 48,928.26

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Solution

The fourth proportional to 55,657.02, 76,761.90 and 48,928.26 is: 67,481.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,657.02 : 76,761.90 = 48,928.26 : x
  2. Step 2: Convert to fraction form
    55,657.02/76,761.90 = 48,928.26/x
  3. Step 3: Cross multiply
    55,657.02x = 76,761.90 × 48,928.26
  4. Step 4: Simplify right side
    55,657.02x = 3,755,826,201.29
  5. Step 5: Solve for x
    x = 3,755,826,201.29/55,657.02
  6. Step 6: Final answer
    x = 67,481.63

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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.