Home / 71,921.96-99,262.02-43,623.08

Finding the Fourth Proportional to 71,921.96, 99,262.02 and 43,623.08

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Solution

The fourth proportional to 71,921.96, 99,262.02 and 43,623.08 is: 60,205.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,921.96 : 99,262.02 = 43,623.08 : x
  2. Step 2: Convert to fraction form
    71,921.96/99,262.02 = 43,623.08/x
  3. Step 3: Cross multiply
    71,921.96x = 99,262.02 × 43,623.08
  4. Step 4: Simplify right side
    71,921.96x = 4,330,115,039.42
  5. Step 5: Solve for x
    x = 4,330,115,039.42/71,921.96
  6. Step 6: Final answer
    x = 60,205.74

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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.