Home / 79,281.43-109,407.54-43,471.36

Finding the Fourth Proportional to 79,281.43, 109,407.54 and 43,471.36

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Solution

The fourth proportional to 79,281.43, 109,407.54 and 43,471.36 is: 59,990.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,281.43 : 109,407.54 = 43,471.36 : x
  2. Step 2: Convert to fraction form
    79,281.43/109,407.54 = 43,471.36/x
  3. Step 3: Cross multiply
    79,281.43x = 109,407.54 × 43,471.36
  4. Step 4: Simplify right side
    79,281.43x = 4,756,094,558.05
  5. Step 5: Solve for x
    x = 4,756,094,558.05/79,281.43
  6. Step 6: Final answer
    x = 59,990.02

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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.