Home / 57,147.08-85,803.84-42,200.33

Finding the Fourth Proportional to 57,147.08, 85,803.84 and 42,200.33

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Solution

The fourth proportional to 57,147.08, 85,803.84 and 42,200.33 is: 63,361.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,147.08 : 85,803.84 = 42,200.33 : x
  2. Step 2: Convert to fraction form
    57,147.08/85,803.84 = 42,200.33/x
  3. Step 3: Cross multiply
    57,147.08x = 85,803.84 × 42,200.33
  4. Step 4: Simplify right side
    57,147.08x = 3,620,949,934.25
  5. Step 5: Solve for x
    x = 3,620,949,934.25/57,147.08
  6. Step 6: Final answer
    x = 63,361.95

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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.