Home / 64,947.38-89,625.57-36,655.70

Finding the Fourth Proportional to 64,947.38, 89,625.57 and 36,655.70

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Solution

The fourth proportional to 64,947.38, 89,625.57 and 36,655.70 is: 50,583.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,947.38 : 89,625.57 = 36,655.70 : x
  2. Step 2: Convert to fraction form
    64,947.38/89,625.57 = 36,655.70/x
  3. Step 3: Cross multiply
    64,947.38x = 89,625.57 × 36,655.70
  4. Step 4: Simplify right side
    64,947.38x = 3,285,288,006.25
  5. Step 5: Solve for x
    x = 3,285,288,006.25/64,947.38
  6. Step 6: Final answer
    x = 50,583.84

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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.