Home / 84,276.72-116,207.64-68,915.52

Finding the Fourth Proportional to 84,276.72, 116,207.64 and 68,915.52

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Solution

The fourth proportional to 84,276.72, 116,207.64 and 68,915.52 is: 95,026.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,276.72 : 116,207.64 = 68,915.52 : x
  2. Step 2: Convert to fraction form
    84,276.72/116,207.64 = 68,915.52/x
  3. Step 3: Cross multiply
    84,276.72x = 116,207.64 × 68,915.52
  4. Step 4: Simplify right side
    84,276.72x = 8,008,509,938.57
  5. Step 5: Solve for x
    x = 8,008,509,938.57/84,276.72
  6. Step 6: Final answer
    x = 95,026.36

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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.