Home / 57,480.28-79,322.02-32,329.78

Finding the Fourth Proportional to 57,480.28, 79,322.02 and 32,329.78

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Solution

The fourth proportional to 57,480.28, 79,322.02 and 32,329.78 is: 44,614.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,480.28 : 79,322.02 = 32,329.78 : x
  2. Step 2: Convert to fraction form
    57,480.28/79,322.02 = 32,329.78/x
  3. Step 3: Cross multiply
    57,480.28x = 79,322.02 × 32,329.78
  4. Step 4: Simplify right side
    57,480.28x = 2,564,463,455.76
  5. Step 5: Solve for x
    x = 2,564,463,455.76/57,480.28
  6. Step 6: Final answer
    x = 44,614.67

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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.