Home / 115,407.18-173,118.06-48,838.55

Finding the Fourth Proportional to 115,407.18, 173,118.06 and 48,838.55

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Solution

The fourth proportional to 115,407.18, 173,118.06 and 48,838.55 is: 73,260.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,407.18 : 173,118.06 = 48,838.55 : x
  2. Step 2: Convert to fraction form
    115,407.18/173,118.06 = 48,838.55/x
  3. Step 3: Cross multiply
    115,407.18x = 173,118.06 × 48,838.55
  4. Step 4: Simplify right side
    115,407.18x = 8,454,834,163.62
  5. Step 5: Solve for x
    x = 8,454,834,163.62/115,407.18
  6. Step 6: Final answer
    x = 73,260.90

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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.