Home / 77,858.49-107,318.52-60,833.04

Finding the Fourth Proportional to 77,858.49, 107,318.52 and 60,833.04

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Solution

The fourth proportional to 77,858.49, 107,318.52 and 60,833.04 is: 83,850.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,858.49 : 107,318.52 = 60,833.04 : x
  2. Step 2: Convert to fraction form
    77,858.49/107,318.52 = 60,833.04/x
  3. Step 3: Cross multiply
    77,858.49x = 107,318.52 × 60,833.04
  4. Step 4: Simplify right side
    77,858.49x = 6,528,511,819.90
  5. Step 5: Solve for x
    x = 6,528,511,819.90/77,858.49
  6. Step 6: Final answer
    x = 83,850.99

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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.