Home / 115,417.22-173,135.76-40,530.94

Finding the Fourth Proportional to 115,417.22, 173,135.76 and 40,530.94

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Solution

The fourth proportional to 115,417.22, 173,135.76 and 40,530.94 is: 60,799.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,417.22 : 173,135.76 = 40,530.94 : x
  2. Step 2: Convert to fraction form
    115,417.22/173,135.76 = 40,530.94/x
  3. Step 3: Cross multiply
    115,417.22x = 173,135.76 × 40,530.94
  4. Step 4: Simplify right side
    115,417.22x = 7,017,355,100.41
  5. Step 5: Solve for x
    x = 7,017,355,100.41/115,417.22
  6. Step 6: Final answer
    x = 60,799.90

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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.