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Finding the Fourth Proportional to 85,334.97, 128,001.14 and 37,937.62

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Solution

The fourth proportional to 85,334.97, 128,001.14 and 37,937.62 is: 56,905.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,334.97 : 128,001.14 = 37,937.62 : x
  2. Step 2: Convert to fraction form
    85,334.97/128,001.14 = 37,937.62/x
  3. Step 3: Cross multiply
    85,334.97x = 128,001.14 × 37,937.62
  4. Step 4: Simplify right side
    85,334.97x = 4,856,058,608.89
  5. Step 5: Solve for x
    x = 4,856,058,608.89/85,334.97
  6. Step 6: Final answer
    x = 56,905.85

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1.5x scale

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.