Home / 77,983.08-107,489.70-60,957.27

Finding the Fourth Proportional to 77,983.08, 107,489.70 and 60,957.27

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Solution

The fourth proportional to 77,983.08, 107,489.70 and 60,957.27 is: 84,021.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,983.08 : 107,489.70 = 60,957.27 : x
  2. Step 2: Convert to fraction form
    77,983.08/107,489.70 = 60,957.27/x
  3. Step 3: Cross multiply
    77,983.08x = 107,489.70 × 60,957.27
  4. Step 4: Simplify right side
    77,983.08x = 6,552,278,665.12
  5. Step 5: Solve for x
    x = 6,552,278,665.12/77,983.08
  6. Step 6: Final answer
    x = 84,021.80

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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.