Home / 64,650.36-89,115.84-59,226.60

Finding the Fourth Proportional to 64,650.36, 89,115.84 and 59,226.60

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Solution

The fourth proportional to 64,650.36, 89,115.84 and 59,226.60 is: 81,639.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,650.36 : 89,115.84 = 59,226.60 : x
  2. Step 2: Convert to fraction form
    64,650.36/89,115.84 = 59,226.60/x
  3. Step 3: Cross multiply
    64,650.36x = 89,115.84 × 59,226.60
  4. Step 4: Simplify right side
    64,650.36x = 5,278,028,209.34
  5. Step 5: Solve for x
    x = 5,278,028,209.34/64,650.36
  6. Step 6: Final answer
    x = 81,639.58

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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.