Home / 56,868.20-85,302.30-53,796.20

Finding the Fourth Proportional to 56,868.20, 85,302.30 and 53,796.20

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Solution

The fourth proportional to 56,868.20, 85,302.30 and 53,796.20 is: 80,694.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,868.20 : 85,302.30 = 53,796.20 : x
  2. Step 2: Convert to fraction form
    56,868.20/85,302.30 = 53,796.20/x
  3. Step 3: Cross multiply
    56,868.20x = 85,302.30 × 53,796.20
  4. Step 4: Simplify right side
    56,868.20x = 4,588,939,591.26
  5. Step 5: Solve for x
    x = 4,588,939,591.26/56,868.20
  6. Step 6: Final answer
    x = 80,694.30

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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.