Home / 71,204.16-98,263.73-38,940.45

Finding the Fourth Proportional to 71,204.16, 98,263.73 and 38,940.45

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Solution

The fourth proportional to 71,204.16, 98,263.73 and 38,940.45 is: 53,738.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,204.16 : 98,263.73 = 38,940.45 : x
  2. Step 2: Convert to fraction form
    71,204.16/98,263.73 = 38,940.45/x
  3. Step 3: Cross multiply
    71,204.16x = 98,263.73 × 38,940.45
  4. Step 4: Simplify right side
    71,204.16x = 3,826,433,593.74
  5. Step 5: Solve for x
    x = 3,826,433,593.74/71,204.16
  6. Step 6: Final answer
    x = 53,738.90

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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.