Home / 72,226.84-99,677.65-40,395.98

Finding the Fourth Proportional to 72,226.84, 99,677.65 and 40,395.98

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Solution

The fourth proportional to 72,226.84, 99,677.65 and 40,395.98 is: 55,749.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,226.84 : 99,677.65 = 40,395.98 : x
  2. Step 2: Convert to fraction form
    72,226.84/99,677.65 = 40,395.98/x
  3. Step 3: Cross multiply
    72,226.84x = 99,677.65 × 40,395.98
  4. Step 4: Simplify right side
    72,226.84x = 4,026,576,355.85
  5. Step 5: Solve for x
    x = 4,026,576,355.85/72,226.84
  6. Step 6: Final answer
    x = 55,749.03

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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.