Home / 64,210.28-88,618.58-35,921.80

Finding the Fourth Proportional to 64,210.28, 88,618.58 and 35,921.80

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Solution

The fourth proportional to 64,210.28, 88,618.58 and 35,921.80 is: 49,576.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,210.28 : 88,618.58 = 35,921.80 : x
  2. Step 2: Convert to fraction form
    64,210.28/88,618.58 = 35,921.80/x
  3. Step 3: Cross multiply
    64,210.28x = 88,618.58 × 35,921.80
  4. Step 4: Simplify right side
    64,210.28x = 3,183,338,907.04
  5. Step 5: Solve for x
    x = 3,183,338,907.04/64,210.28
  6. Step 6: Final answer
    x = 49,576.78

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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.