Home / 64,859.08-89,505.64-36,180.60

Finding the Fourth Proportional to 64,859.08, 89,505.64 and 36,180.60

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Solution

The fourth proportional to 64,859.08, 89,505.64 and 36,180.60 is: 49,929.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,859.08 : 89,505.64 = 36,180.60 : x
  2. Step 2: Convert to fraction form
    64,859.08/89,505.64 = 36,180.60/x
  3. Step 3: Cross multiply
    64,859.08x = 89,505.64 × 36,180.60
  4. Step 4: Simplify right side
    64,859.08x = 3,238,367,758.58
  5. Step 5: Solve for x
    x = 3,238,367,758.58/64,859.08
  6. Step 6: Final answer
    x = 49,929.29

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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.