Home / 69,981.12-96,573.42-38,151.36

Finding the Fourth Proportional to 69,981.12, 96,573.42 and 38,151.36

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Solution

The fourth proportional to 69,981.12, 96,573.42 and 38,151.36 is: 52,648.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,981.12 : 96,573.42 = 38,151.36 : x
  2. Step 2: Convert to fraction form
    69,981.12/96,573.42 = 38,151.36/x
  3. Step 3: Cross multiply
    69,981.12x = 96,573.42 × 38,151.36
  4. Step 4: Simplify right side
    69,981.12x = 3,684,407,312.85
  5. Step 5: Solve for x
    x = 3,684,407,312.85/69,981.12
  6. Step 6: Final answer
    x = 52,648.59

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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.