Home / 72,299.37-99,773.12-40,468.28

Finding the Fourth Proportional to 72,299.37, 99,773.12 and 40,468.28

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Solution

The fourth proportional to 72,299.37, 99,773.12 and 40,468.28 is: 55,846.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,299.37 : 99,773.12 = 40,468.28 : x
  2. Step 2: Convert to fraction form
    72,299.37/99,773.12 = 40,468.28/x
  3. Step 3: Cross multiply
    72,299.37x = 99,773.12 × 40,468.28
  4. Step 4: Simplify right side
    72,299.37x = 4,037,645,855.43
  5. Step 5: Solve for x
    x = 4,037,645,855.43/72,299.37
  6. Step 6: Final answer
    x = 55,846.21

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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.