Home / 55,775.66-76,905.38-41,603.90

Finding the Fourth Proportional to 55,775.66, 76,905.38 and 41,603.90

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Solution

The fourth proportional to 55,775.66, 76,905.38 and 41,603.90 is: 57,364.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,775.66 : 76,905.38 = 41,603.90 : x
  2. Step 2: Convert to fraction form
    55,775.66/76,905.38 = 41,603.90/x
  3. Step 3: Cross multiply
    55,775.66x = 76,905.38 × 41,603.90
  4. Step 4: Simplify right side
    55,775.66x = 3,199,564,035.26
  5. Step 5: Solve for x
    x = 3,199,564,035.26/55,775.66
  6. Step 6: Final answer
    x = 57,364.88

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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.