Home / 51,435.19-70,822.77-45,025.91

Finding the Fourth Proportional to 51,435.19, 70,822.77 and 45,025.91

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Solution

The fourth proportional to 51,435.19, 70,822.77 and 45,025.91 is: 61,997.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,435.19 : 70,822.77 = 45,025.91 : x
  2. Step 2: Convert to fraction form
    51,435.19/70,822.77 = 45,025.91/x
  3. Step 3: Cross multiply
    51,435.19x = 70,822.77 × 45,025.91
  4. Step 4: Simplify right side
    51,435.19x = 3,188,859,667.97
  5. Step 5: Solve for x
    x = 3,188,859,667.97/51,435.19
  6. Step 6: Final answer
    x = 61,997.63

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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.