Home / 54,938.20-82,407.30-53,480.20

Finding the Fourth Proportional to 54,938.20, 82,407.30 and 53,480.20

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Solution

The fourth proportional to 54,938.20, 82,407.30 and 53,480.20 is: 80,220.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,938.20 : 82,407.30 = 53,480.20 : x
  2. Step 2: Convert to fraction form
    54,938.20/82,407.30 = 53,480.20/x
  3. Step 3: Cross multiply
    54,938.20x = 82,407.30 × 53,480.20
  4. Step 4: Simplify right side
    54,938.20x = 4,407,158,885.46
  5. Step 5: Solve for x
    x = 4,407,158,885.46/54,938.20
  6. Step 6: Final answer
    x = 80,220.30

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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.