Home / 97,067.56-145,595.58-57,109

Finding the Fourth Proportional to 97,067.56, 145,595.58 and 57,109

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Solution

The fourth proportional to 97,067.56, 145,595.58 and 57,109 is: 85,660.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,067.56 : 145,595.58 = 57,109 : x
  2. Step 2: Convert to fraction form
    97,067.56/145,595.58 = 57,109/x
  3. Step 3: Cross multiply
    97,067.56x = 145,595.58 × 57,109
  4. Step 4: Simplify right side
    97,067.56x = 8,314,817,978.22
  5. Step 5: Solve for x
    x = 8,314,817,978.22/97,067.56
  6. Step 6: Final answer
    x = 85,660.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.