Home / 101,929.46-140,683.36-58,910.80

Finding the Fourth Proportional to 101,929.46, 140,683.36 and 58,910.80

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Solution

The fourth proportional to 101,929.46, 140,683.36 and 58,910.80 is: 81,308.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,929.46 : 140,683.36 = 58,910.80 : x
  2. Step 2: Convert to fraction form
    101,929.46/140,683.36 = 58,910.80/x
  3. Step 3: Cross multiply
    101,929.46x = 140,683.36 × 58,910.80
  4. Step 4: Simplify right side
    101,929.46x = 8,287,769,284.29
  5. Step 5: Solve for x
    x = 8,287,769,284.29/101,929.46
  6. Step 6: Final answer
    x = 81,308.87

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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.