Home / 125,091.18-187,603.95-36,320.85

Finding the Fourth Proportional to 125,091.18, 187,603.95 and 36,320.85

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Solution

The fourth proportional to 125,091.18, 187,603.95 and 36,320.85 is: 54,471.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,091.18 : 187,603.95 = 36,320.85 : x
  2. Step 2: Convert to fraction form
    125,091.18/187,603.95 = 36,320.85/x
  3. Step 3: Cross multiply
    125,091.18x = 187,603.95 × 36,320.85
  4. Step 4: Simplify right side
    125,091.18x = 6,813,934,927.36
  5. Step 5: Solve for x
    x = 6,813,934,927.36/125,091.18
  6. Step 6: Final answer
    x = 54,471.75

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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.