Home / 67,318.75-92,894.34-38,647.18

Finding the Fourth Proportional to 67,318.75, 92,894.34 and 38,647.18

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Solution

The fourth proportional to 67,318.75, 92,894.34 and 38,647.18 is: 53,329.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,318.75 : 92,894.34 = 38,647.18 : x
  2. Step 2: Convert to fraction form
    67,318.75/92,894.34 = 38,647.18/x
  3. Step 3: Cross multiply
    67,318.75x = 92,894.34 × 38,647.18
  4. Step 4: Simplify right side
    67,318.75x = 3,590,104,278.96
  5. Step 5: Solve for x
    x = 3,590,104,278.96/67,318.75
  6. Step 6: Final answer
    x = 53,329.93

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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.