Home / 72,455.32-99,977.52-41,408.26

Finding the Fourth Proportional to 72,455.32, 99,977.52 and 41,408.26

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Solution

The fourth proportional to 72,455.32, 99,977.52 and 41,408.26 is: 57,137.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,455.32 : 99,977.52 = 41,408.26 : x
  2. Step 2: Convert to fraction form
    72,455.32/99,977.52 = 41,408.26/x
  3. Step 3: Cross multiply
    72,455.32x = 99,977.52 × 41,408.26
  4. Step 4: Simplify right side
    72,455.32x = 4,139,895,142.32
  5. Step 5: Solve for x
    x = 4,139,895,142.32/72,455.32
  6. Step 6: Final answer
    x = 57,137.21

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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.