Home / 89,125.27-122,990.94-48,838.16

Finding the Fourth Proportional to 89,125.27, 122,990.94 and 48,838.16

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Solution

The fourth proportional to 89,125.27, 122,990.94 and 48,838.16 is: 67,395.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,125.27 : 122,990.94 = 48,838.16 : x
  2. Step 2: Convert to fraction form
    89,125.27/122,990.94 = 48,838.16/x
  3. Step 3: Cross multiply
    89,125.27x = 122,990.94 × 48,838.16
  4. Step 4: Simplify right side
    89,125.27x = 6,006,651,513.75
  5. Step 5: Solve for x
    x = 6,006,651,513.75/89,125.27
  6. Step 6: Final answer
    x = 67,395.61

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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.