Home / 86,922.69-119,949.17-53,382.21

Finding the Fourth Proportional to 86,922.69, 119,949.17 and 53,382.21

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Solution

The fourth proportional to 86,922.69, 119,949.17 and 53,382.21 is: 73,664.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,922.69 : 119,949.17 = 53,382.21 : x
  2. Step 2: Convert to fraction form
    86,922.69/119,949.17 = 53,382.21/x
  3. Step 3: Cross multiply
    86,922.69x = 119,949.17 × 53,382.21
  4. Step 4: Simplify right side
    86,922.69x = 6,403,151,515.35
  5. Step 5: Solve for x
    x = 6,403,151,515.35/86,922.69
  6. Step 6: Final answer
    x = 73,664.90

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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.