Home / 62,657.10-93,983.13-20,540.34

Finding the Fourth Proportional to 62,657.10, 93,983.13 and 20,540.34

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Solution

The fourth proportional to 62,657.10, 93,983.13 and 20,540.34 is: 30,809.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,657.10 : 93,983.13 = 20,540.34 : x
  2. Step 2: Convert to fraction form
    62,657.10/93,983.13 = 20,540.34/x
  3. Step 3: Cross multiply
    62,657.10x = 93,983.13 × 20,540.34
  4. Step 4: Simplify right side
    62,657.10x = 1,930,445,444.46
  5. Step 5: Solve for x
    x = 1,930,445,444.46/62,657.10
  6. Step 6: Final answer
    x = 30,809.68

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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.