Home / 86,318.25-119,151.57-63,838.16

Finding the Fourth Proportional to 86,318.25, 119,151.57 and 63,838.16

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Solution

The fourth proportional to 86,318.25, 119,151.57 and 63,838.16 is: 88,120.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,318.25 : 119,151.57 = 63,838.16 : x
  2. Step 2: Convert to fraction form
    86,318.25/119,151.57 = 63,838.16/x
  3. Step 3: Cross multiply
    86,318.25x = 119,151.57 × 63,838.16
  4. Step 4: Simplify right side
    86,318.25x = 7,606,416,989.91
  5. Step 5: Solve for x
    x = 7,606,416,989.91/86,318.25
  6. Step 6: Final answer
    x = 88,120.61

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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.