Home / 71,330.25-98,418.84-42,243.93

Finding the Fourth Proportional to 71,330.25, 98,418.84 and 42,243.93

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Solution

The fourth proportional to 71,330.25, 98,418.84 and 42,243.93 is: 58,286.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,330.25 : 98,418.84 = 42,243.93 : x
  2. Step 2: Convert to fraction form
    71,330.25/98,418.84 = 42,243.93/x
  3. Step 3: Cross multiply
    71,330.25x = 98,418.84 × 42,243.93
  4. Step 4: Simplify right side
    71,330.25x = 4,157,598,095.55
  5. Step 5: Solve for x
    x = 4,157,598,095.55/71,330.25
  6. Step 6: Final answer
    x = 58,286.60

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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.