Home / 103,890.06-155,737.08-50,548.32

Finding the Fourth Proportional to 103,890.06, 155,737.08 and 50,548.32

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Solution

The fourth proportional to 103,890.06, 155,737.08 and 50,548.32 is: 75,774.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,890.06 : 155,737.08 = 50,548.32 : x
  2. Step 2: Convert to fraction form
    103,890.06/155,737.08 = 50,548.32/x
  3. Step 3: Cross multiply
    103,890.06x = 155,737.08 × 50,548.32
  4. Step 4: Simplify right side
    103,890.06x = 7,872,247,755.71
  5. Step 5: Solve for x
    x = 7,872,247,755.71/103,890.06
  6. Step 6: Final answer
    x = 75,774.79

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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.