Home / 72,233.33-99,682.25-40,400.19

Finding the Fourth Proportional to 72,233.33, 99,682.25 and 40,400.19

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Solution

The fourth proportional to 72,233.33, 99,682.25 and 40,400.19 is: 55,752.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,233.33 : 99,682.25 = 40,400.19 : x
  2. Step 2: Convert to fraction form
    72,233.33/99,682.25 = 40,400.19/x
  3. Step 3: Cross multiply
    72,233.33x = 99,682.25 × 40,400.19
  4. Step 4: Simplify right side
    72,233.33x = 4,027,181,637.63
  5. Step 5: Solve for x
    x = 4,027,181,637.63/72,233.33
  6. Step 6: Final answer
    x = 55,752.41

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1.5x scale

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.