Home / 86,705.25-119,662.97-48,981.93

Finding the Fourth Proportional to 86,705.25, 119,662.97 and 48,981.93

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Solution

The fourth proportional to 86,705.25, 119,662.97 and 48,981.93 is: 67,600.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,705.25 : 119,662.97 = 48,981.93 : x
  2. Step 2: Convert to fraction form
    86,705.25/119,662.97 = 48,981.93/x
  3. Step 3: Cross multiply
    86,705.25x = 119,662.97 × 48,981.93
  4. Step 4: Simplify right side
    86,705.25x = 5,861,323,220.13
  5. Step 5: Solve for x
    x = 5,861,323,220.13/86,705.25
  6. Step 6: Final answer
    x = 67,600.56

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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.