Home / 83,726.66-115,516.73-51,427.41

Finding the Fourth Proportional to 83,726.66, 115,516.73 and 51,427.41

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Solution

The fourth proportional to 83,726.66, 115,516.73 and 51,427.41 is: 70,953.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,726.66 : 115,516.73 = 51,427.41 : x
  2. Step 2: Convert to fraction form
    83,726.66/115,516.73 = 51,427.41/x
  3. Step 3: Cross multiply
    83,726.66x = 115,516.73 × 51,427.41
  4. Step 4: Simplify right side
    83,726.66x = 5,940,725,930.95
  5. Step 5: Solve for x
    x = 5,940,725,930.95/83,726.66
  6. Step 6: Final answer
    x = 70,953.81

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1.5x scale

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.