Home / 113,035.50-155,996.28-62,734.50

Finding the Fourth Proportional to 113,035.50, 155,996.28 and 62,734.50

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Solution

The fourth proportional to 113,035.50, 155,996.28 and 62,734.50 is: 86,577.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,035.50 : 155,996.28 = 62,734.50 : x
  2. Step 2: Convert to fraction form
    113,035.50/155,996.28 = 62,734.50/x
  3. Step 3: Cross multiply
    113,035.50x = 155,996.28 × 62,734.50
  4. Step 4: Simplify right side
    113,035.50x = 9,786,348,627.66
  5. Step 5: Solve for x
    x = 9,786,348,627.66/113,035.50
  6. Step 6: Final answer
    x = 86,577.66

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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.