Home / 96,922.72-145,364.92-92,116.47

Finding the Fourth Proportional to 96,922.72, 145,364.92 and 92,116.47

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Solution

The fourth proportional to 96,922.72, 145,364.92 and 92,116.47 is: 138,156.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,922.72 : 145,364.92 = 92,116.47 : x
  2. Step 2: Convert to fraction form
    96,922.72/145,364.92 = 92,116.47/x
  3. Step 3: Cross multiply
    96,922.72x = 145,364.92 × 92,116.47
  4. Step 4: Simplify right side
    96,922.72x = 13,390,502,789.38
  5. Step 5: Solve for x
    x = 13,390,502,789.38/96,922.72
  6. Step 6: Final answer
    x = 138,156.49

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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.