Home / 72,264.30-99,723.87-40,433.46

Finding the Fourth Proportional to 72,264.30, 99,723.87 and 40,433.46

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Solution

The fourth proportional to 72,264.30, 99,723.87 and 40,433.46 is: 55,797.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,264.30 : 99,723.87 = 40,433.46 : x
  2. Step 2: Convert to fraction form
    72,264.30/99,723.87 = 40,433.46/x
  3. Step 3: Cross multiply
    72,264.30x = 99,723.87 × 40,433.46
  4. Step 4: Simplify right side
    72,264.30x = 4,032,181,108.69
  5. Step 5: Solve for x
    x = 4,032,181,108.69/72,264.30
  6. Step 6: Final answer
    x = 55,797.69

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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.