Home / 102,371.26-141,272.48-57,048.25

Finding the Fourth Proportional to 102,371.26, 141,272.48 and 57,048.25

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Solution

The fourth proportional to 102,371.26, 141,272.48 and 57,048.25 is: 78,726.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,371.26 : 141,272.48 = 57,048.25 : x
  2. Step 2: Convert to fraction form
    102,371.26/141,272.48 = 57,048.25/x
  3. Step 3: Cross multiply
    102,371.26x = 141,272.48 × 57,048.25
  4. Step 4: Simplify right side
    102,371.26x = 8,059,347,471.92
  5. Step 5: Solve for x
    x = 8,059,347,471.92/102,371.26
  6. Step 6: Final answer
    x = 78,726.66

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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.