Home / 64,687.82-89,273.75-36,009.77

Finding the Fourth Proportional to 64,687.82, 89,273.75 and 36,009.77

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Solution

The fourth proportional to 64,687.82, 89,273.75 and 36,009.77 is: 49,696.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,687.82 : 89,273.75 = 36,009.77 : x
  2. Step 2: Convert to fraction form
    64,687.82/89,273.75 = 36,009.77/x
  3. Step 3: Cross multiply
    64,687.82x = 89,273.75 × 36,009.77
  4. Step 4: Simplify right side
    64,687.82x = 3,214,726,578.12
  5. Step 5: Solve for x
    x = 3,214,726,578.12/64,687.82
  6. Step 6: Final answer
    x = 49,696.01

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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.