Home / 55,425.16-83,165.54-25,845.32

Finding the Fourth Proportional to 55,425.16, 83,165.54 and 25,845.32

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Solution

The fourth proportional to 55,425.16, 83,165.54 and 25,845.32 is: 38,780.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,425.16 : 83,165.54 = 25,845.32 : x
  2. Step 2: Convert to fraction form
    55,425.16/83,165.54 = 25,845.32/x
  3. Step 3: Cross multiply
    55,425.16x = 83,165.54 × 25,845.32
  4. Step 4: Simplify right side
    55,425.16x = 2,149,439,994.27
  5. Step 5: Solve for x
    x = 2,149,439,994.27/55,425.16
  6. Step 6: Final answer
    x = 38,780.94

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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.