Home / 70,142.76-96,795.61-39,927.43

Finding the Fourth Proportional to 70,142.76, 96,795.61 and 39,927.43

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Solution

The fourth proportional to 70,142.76, 96,795.61 and 39,927.43 is: 55,099.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,142.76 : 96,795.61 = 39,927.43 : x
  2. Step 2: Convert to fraction form
    70,142.76/96,795.61 = 39,927.43/x
  3. Step 3: Cross multiply
    70,142.76x = 96,795.61 × 39,927.43
  4. Step 4: Simplify right side
    70,142.76x = 3,864,799,963.76
  5. Step 5: Solve for x
    x = 3,864,799,963.76/70,142.76
  6. Step 6: Final answer
    x = 55,099.06

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Double scale
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1.5x scale

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.