Home / 124,559.75-171,896.10-67,974.77

Finding the Fourth Proportional to 124,559.75, 171,896.10 and 67,974.77

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Solution

The fourth proportional to 124,559.75, 171,896.10 and 67,974.77 is: 93,807.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,559.75 : 171,896.10 = 67,974.77 : x
  2. Step 2: Convert to fraction form
    124,559.75/171,896.10 = 67,974.77/x
  3. Step 3: Cross multiply
    124,559.75x = 171,896.10 × 67,974.77
  4. Step 4: Simplify right side
    124,559.75x = 11,684,597,861.40
  5. Step 5: Solve for x
    x = 11,684,597,861.40/124,559.75
  6. Step 6: Final answer
    x = 93,807.17

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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.