Home / 57,322.10-85,983.15-43,325.30

Finding the Fourth Proportional to 57,322.10, 85,983.15 and 43,325.30

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Solution

The fourth proportional to 57,322.10, 85,983.15 and 43,325.30 is: 64,987.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,322.10 : 85,983.15 = 43,325.30 : x
  2. Step 2: Convert to fraction form
    57,322.10/85,983.15 = 43,325.30/x
  3. Step 3: Cross multiply
    57,322.10x = 85,983.15 × 43,325.30
  4. Step 4: Simplify right side
    57,322.10x = 3,725,245,768.70
  5. Step 5: Solve for x
    x = 3,725,245,768.70/57,322.10
  6. Step 6: Final answer
    x = 64,987.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.