Home / 106,099.48-146,420.34-58,355.90

Finding the Fourth Proportional to 106,099.48, 146,420.34 and 58,355.90

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Solution

The fourth proportional to 106,099.48, 146,420.34 and 58,355.90 is: 80,532.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,099.48 : 146,420.34 = 58,355.90 : x
  2. Step 2: Convert to fraction form
    106,099.48/146,420.34 = 58,355.90/x
  3. Step 3: Cross multiply
    106,099.48x = 146,420.34 × 58,355.90
  4. Step 4: Simplify right side
    106,099.48x = 8,544,490,719.01
  5. Step 5: Solve for x
    x = 8,544,490,719.01/106,099.48
  6. Step 6: Final answer
    x = 80,532.82

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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.