Home / 72,233.02-99,682.19-40,404.88

Finding the Fourth Proportional to 72,233.02, 99,682.19 and 40,404.88

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Solution

The fourth proportional to 72,233.02, 99,682.19 and 40,404.88 is: 55,759.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,233.02 : 99,682.19 = 40,404.88 : x
  2. Step 2: Convert to fraction form
    72,233.02/99,682.19 = 40,404.88/x
  3. Step 3: Cross multiply
    72,233.02x = 99,682.19 × 40,404.88
  4. Step 4: Simplify right side
    72,233.02x = 4,027,646,925.09
  5. Step 5: Solve for x
    x = 4,027,646,925.09/72,233.02
  6. Step 6: Final answer
    x = 55,759.08

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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.