Home / 62,492.78-93,748.89-20,930.06

Finding the Fourth Proportional to 62,492.78, 93,748.89 and 20,930.06

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Solution

The fourth proportional to 62,492.78, 93,748.89 and 20,930.06 is: 31,398.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,492.78 : 93,748.89 = 20,930.06 : x
  2. Step 2: Convert to fraction form
    62,492.78/93,748.89 = 20,930.06/x
  3. Step 3: Cross multiply
    62,492.78x = 93,748.89 × 20,930.06
  4. Step 4: Simplify right side
    62,492.78x = 1,962,170,205.49
  5. Step 5: Solve for x
    x = 1,962,170,205.49/62,492.78
  6. Step 6: Final answer
    x = 31,398.35

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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.