Home / 103,655.48-143,042.83-58,333.41

Finding the Fourth Proportional to 103,655.48, 143,042.83 and 58,333.41

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Solution

The fourth proportional to 103,655.48, 143,042.83 and 58,333.41 is: 80,499.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,655.48 : 143,042.83 = 58,333.41 : x
  2. Step 2: Convert to fraction form
    103,655.48/143,042.83 = 58,333.41/x
  3. Step 3: Cross multiply
    103,655.48x = 143,042.83 × 58,333.41
  4. Step 4: Simplify right side
    103,655.48x = 8,344,176,049.95
  5. Step 5: Solve for x
    x = 8,344,176,049.95/103,655.48
  6. Step 6: Final answer
    x = 80,499.13

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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.