Home / 67,083.06-92,569.20-38,790.57

Finding the Fourth Proportional to 67,083.06, 92,569.20 and 38,790.57

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Solution

The fourth proportional to 67,083.06, 92,569.20 and 38,790.57 is: 53,527.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,083.06 : 92,569.20 = 38,790.57 : x
  2. Step 2: Convert to fraction form
    67,083.06/92,569.20 = 38,790.57/x
  3. Step 3: Cross multiply
    67,083.06x = 92,569.20 × 38,790.57
  4. Step 4: Simplify right side
    67,083.06x = 3,590,812,032.44
  5. Step 5: Solve for x
    x = 3,590,812,032.44/67,083.06
  6. Step 6: Final answer
    x = 53,527.85

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1.5x scale

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.