Home / 113,389.52-170,028.60-42,309.44

Finding the Fourth Proportional to 113,389.52, 170,028.60 and 42,309.44

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Solution

The fourth proportional to 113,389.52, 170,028.60 and 42,309.44 is: 63,443.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,389.52 : 170,028.60 = 42,309.44 : x
  2. Step 2: Convert to fraction form
    113,389.52/170,028.60 = 42,309.44/x
  3. Step 3: Cross multiply
    113,389.52x = 170,028.60 × 42,309.44
  4. Step 4: Simplify right side
    113,389.52x = 7,193,814,849.98
  5. Step 5: Solve for x
    x = 7,193,814,849.98/113,389.52
  6. Step 6: Final answer
    x = 63,443.38

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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.