Home / 115,906.10-173,859.15-45,749.30

Finding the Fourth Proportional to 115,906.10, 173,859.15 and 45,749.30

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Solution

The fourth proportional to 115,906.10, 173,859.15 and 45,749.30 is: 68,623.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,906.10 : 173,859.15 = 45,749.30 : x
  2. Step 2: Convert to fraction form
    115,906.10/173,859.15 = 45,749.30/x
  3. Step 3: Cross multiply
    115,906.10x = 173,859.15 × 45,749.30
  4. Step 4: Simplify right side
    115,906.10x = 7,953,934,411.10
  5. Step 5: Solve for x
    x = 7,953,934,411.10/115,906.10
  6. Step 6: Final answer
    x = 68,623.95

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Similar ratio
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1.5x scale

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.