Home / 89,934.62-124,113.78-51,706.56

Finding the Fourth Proportional to 89,934.62, 124,113.78 and 51,706.56

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Solution

The fourth proportional to 89,934.62, 124,113.78 and 51,706.56 is: 71,357.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,934.62 : 124,113.78 = 51,706.56 : x
  2. Step 2: Convert to fraction form
    89,934.62/124,113.78 = 51,706.56/x
  3. Step 3: Cross multiply
    89,934.62x = 124,113.78 × 51,706.56
  4. Step 4: Simplify right side
    89,934.62x = 6,417,496,612.40
  5. Step 5: Solve for x
    x = 6,417,496,612.40/89,934.62
  6. Step 6: Final answer
    x = 71,357.36

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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.