Home / 115,895.75-173,902.95-55,174.74

Finding the Fourth Proportional to 115,895.75, 173,902.95 and 55,174.74

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Solution

The fourth proportional to 115,895.75, 173,902.95 and 55,174.74 is: 82,790.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,895.75 : 173,902.95 = 55,174.74 : x
  2. Step 2: Convert to fraction form
    115,895.75/173,902.95 = 55,174.74/x
  3. Step 3: Cross multiply
    115,895.75x = 173,902.95 × 55,174.74
  4. Step 4: Simplify right side
    115,895.75x = 9,595,050,051.48
  5. Step 5: Solve for x
    x = 9,595,050,051.48/115,895.75
  6. Step 6: Final answer
    x = 82,790.35

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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.