Home / 72,327.01-99,811.43-40,497.25

Finding the Fourth Proportional to 72,327.01, 99,811.43 and 40,497.25

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Solution

The fourth proportional to 72,327.01, 99,811.43 and 40,497.25 is: 55,886.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,327.01 : 99,811.43 = 40,497.25 : x
  2. Step 2: Convert to fraction form
    72,327.01/99,811.43 = 40,497.25/x
  3. Step 3: Cross multiply
    72,327.01x = 99,811.43 × 40,497.25
  4. Step 4: Simplify right side
    72,327.01x = 4,042,088,433.57
  5. Step 5: Solve for x
    x = 4,042,088,433.57/72,327.01
  6. Step 6: Final answer
    x = 55,886.29

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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.