Home / 57,109.64-78,803.55-33,217.88

Finding the Fourth Proportional to 57,109.64, 78,803.55 and 33,217.88

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Solution

The fourth proportional to 57,109.64, 78,803.55 and 33,217.88 is: 45,836.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,109.64 : 78,803.55 = 33,217.88 : x
  2. Step 2: Convert to fraction form
    57,109.64/78,803.55 = 33,217.88/x
  3. Step 3: Cross multiply
    57,109.64x = 78,803.55 × 33,217.88
  4. Step 4: Simplify right side
    57,109.64x = 2,617,686,473.46
  5. Step 5: Solve for x
    x = 2,617,686,473.46/57,109.64
  6. Step 6: Final answer
    x = 45,836.16

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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.