Home / 86,951.08-119,997-48,708.40

Finding the Fourth Proportional to 86,951.08, 119,997 and 48,708.40

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Solution

The fourth proportional to 86,951.08, 119,997 and 48,708.40 is: 67,220.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,951.08 : 119,997 = 48,708.40 : x
  2. Step 2: Convert to fraction form
    86,951.08/119,997 = 48,708.40/x
  3. Step 3: Cross multiply
    86,951.08x = 119,997 × 48,708.40
  4. Step 4: Simplify right side
    86,951.08x = 5,844,861,874.80
  5. Step 5: Solve for x
    x = 5,844,861,874.80/86,951.08
  6. Step 6: Final answer
    x = 67,220.12

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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.