Home / 65,025.48-89,390.45-55,917.44

Finding the Fourth Proportional to 65,025.48, 89,390.45 and 55,917.44

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Solution

The fourth proportional to 65,025.48, 89,390.45 and 55,917.44 is: 76,869.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,025.48 : 89,390.45 = 55,917.44 : x
  2. Step 2: Convert to fraction form
    65,025.48/89,390.45 = 55,917.44/x
  3. Step 3: Cross multiply
    65,025.48x = 89,390.45 × 55,917.44
  4. Step 4: Simplify right side
    65,025.48x = 4,998,484,397.91
  5. Step 5: Solve for x
    x = 4,998,484,397.91/65,025.48
  6. Step 6: Final answer
    x = 76,869.63

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.