Home / 125,796.18-173,603.01-72,091.56

Finding the Fourth Proportional to 125,796.18, 173,603.01 and 72,091.56

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Solution

The fourth proportional to 125,796.18, 173,603.01 and 72,091.56 is: 99,488.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,796.18 : 173,603.01 = 72,091.56 : x
  2. Step 2: Convert to fraction form
    125,796.18/173,603.01 = 72,091.56/x
  3. Step 3: Cross multiply
    125,796.18x = 173,603.01 × 72,091.56
  4. Step 4: Simplify right side
    125,796.18x = 12,515,311,811.60
  5. Step 5: Solve for x
    x = 12,515,311,811.60/125,796.18
  6. Step 6: Final answer
    x = 99,488.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.