Home / 106,646.05-147,168.72-58,898.37

Finding the Fourth Proportional to 106,646.05, 147,168.72 and 58,898.37

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Solution

The fourth proportional to 106,646.05, 147,168.72 and 58,898.37 is: 81,278.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,646.05 : 147,168.72 = 58,898.37 : x
  2. Step 2: Convert to fraction form
    106,646.05/147,168.72 = 58,898.37/x
  3. Step 3: Cross multiply
    106,646.05x = 147,168.72 × 58,898.37
  4. Step 4: Simplify right side
    106,646.05x = 8,667,997,722.99
  5. Step 5: Solve for x
    x = 8,667,997,722.99/106,646.05
  6. Step 6: Final answer
    x = 81,278.19

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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.