Home / 83,669.55-125,504.32-21,340.05

Finding the Fourth Proportional to 83,669.55, 125,504.32 and 21,340.05

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Solution

The fourth proportional to 83,669.55, 125,504.32 and 21,340.05 is: 32,010.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,669.55 : 125,504.32 = 21,340.05 : x
  2. Step 2: Convert to fraction form
    83,669.55/125,504.32 = 21,340.05/x
  3. Step 3: Cross multiply
    83,669.55x = 125,504.32 × 21,340.05
  4. Step 4: Simplify right side
    83,669.55x = 2,678,268,464.02
  5. Step 5: Solve for x
    x = 2,678,268,464.02/83,669.55
  6. Step 6: Final answer
    x = 32,010.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.