Home / 106,621.48-147,137.64-58,874.92

Finding the Fourth Proportional to 106,621.48, 147,137.64 and 58,874.92

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Solution

The fourth proportional to 106,621.48, 147,137.64 and 58,874.92 is: 81,247.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,621.48 : 147,137.64 = 58,874.92 : x
  2. Step 2: Convert to fraction form
    106,621.48/147,137.64 = 58,874.92/x
  3. Step 3: Cross multiply
    106,621.48x = 147,137.64 × 58,874.92
  4. Step 4: Simplify right side
    106,621.48x = 8,662,716,783.99
  5. Step 5: Solve for x
    x = 8,662,716,783.99/106,621.48
  6. Step 6: Final answer
    x = 81,247.39

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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.