Home / 102,335.74-141,206.49-57,003.48

Finding the Fourth Proportional to 102,335.74, 141,206.49 and 57,003.48

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Solution

The fourth proportional to 102,335.74, 141,206.49 and 57,003.48 is: 78,655.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,335.74 : 141,206.49 = 57,003.48 : x
  2. Step 2: Convert to fraction form
    102,335.74/141,206.49 = 57,003.48/x
  3. Step 3: Cross multiply
    102,335.74x = 141,206.49 × 57,003.48
  4. Step 4: Simplify right side
    102,335.74x = 8,049,261,328.59
  5. Step 5: Solve for x
    x = 8,049,261,328.59/102,335.74
  6. Step 6: Final answer
    x = 78,655.43

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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.