Home / 106,645.05-147,167.35-58,897.37

Finding the Fourth Proportional to 106,645.05, 147,167.35 and 58,897.37

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Solution

The fourth proportional to 106,645.05, 147,167.35 and 58,897.37 is: 81,276.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,645.05 : 147,167.35 = 58,897.37 : x
  2. Step 2: Convert to fraction form
    106,645.05/147,167.35 = 58,897.37/x
  3. Step 3: Cross multiply
    106,645.05x = 147,167.35 × 58,897.37
  4. Step 4: Simplify right side
    106,645.05x = 8,667,768,834.55
  5. Step 5: Solve for x
    x = 8,667,768,834.55/106,645.05
  6. Step 6: Final answer
    x = 81,276.81

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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.