Home / 64,657.20-89,213.57-37,794.51

Finding the Fourth Proportional to 64,657.20, 89,213.57 and 37,794.51

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Solution

The fourth proportional to 64,657.20, 89,213.57 and 37,794.51 is: 52,148.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,657.20 : 89,213.57 = 37,794.51 : x
  2. Step 2: Convert to fraction form
    64,657.20/89,213.57 = 37,794.51/x
  3. Step 3: Cross multiply
    64,657.20x = 89,213.57 × 37,794.51
  4. Step 4: Simplify right side
    64,657.20x = 3,371,782,974.53
  5. Step 5: Solve for x
    x = 3,371,782,974.53/64,657.20
  6. Step 6: Final answer
    x = 52,148.61

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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.