Home / 64,665.64-89,238.18-36,371.62

Finding the Fourth Proportional to 64,665.64, 89,238.18 and 36,371.62

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Solution

The fourth proportional to 64,665.64, 89,238.18 and 36,371.62 is: 50,192.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,665.64 : 89,238.18 = 36,371.62 : x
  2. Step 2: Convert to fraction form
    64,665.64/89,238.18 = 36,371.62/x
  3. Step 3: Cross multiply
    64,665.64x = 89,238.18 × 36,371.62
  4. Step 4: Simplify right side
    64,665.64x = 3,245,737,172.45
  5. Step 5: Solve for x
    x = 3,245,737,172.45/64,665.64
  6. Step 6: Final answer
    x = 50,192.61

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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.