Home / 102,371.14-141,272.30-57,048.12

Finding the Fourth Proportional to 102,371.14, 141,272.30 and 57,048.12

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Solution

The fourth proportional to 102,371.14, 141,272.30 and 57,048.12 is: 78,726.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,371.14 : 141,272.30 = 57,048.12 : x
  2. Step 2: Convert to fraction form
    102,371.14/141,272.30 = 57,048.12/x
  3. Step 3: Cross multiply
    102,371.14x = 141,272.30 × 57,048.12
  4. Step 4: Simplify right side
    102,371.14x = 8,059,319,795.47
  5. Step 5: Solve for x
    x = 8,059,319,795.47/102,371.14
  6. Step 6: Final answer
    x = 78,726.48

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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.