Home / 62,116.61-93,161.81-20,000.45

Finding the Fourth Proportional to 62,116.61, 93,161.81 and 20,000.45

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Solution

The fourth proportional to 62,116.61, 93,161.81 and 20,000.45 is: 29,996.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,116.61 : 93,161.81 = 20,000.45 : x
  2. Step 2: Convert to fraction form
    62,116.61/93,161.81 = 20,000.45/x
  3. Step 3: Cross multiply
    62,116.61x = 93,161.81 × 20,000.45
  4. Step 4: Simplify right side
    62,116.61x = 1,863,278,405.72
  5. Step 5: Solve for x
    x = 1,863,278,405.72/62,116.61
  6. Step 6: Final answer
    x = 29,996.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.