Home / 70,768.12-97,657.26-38,936.44

Finding the Fourth Proportional to 70,768.12, 97,657.26 and 38,936.44

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Solution

The fourth proportional to 70,768.12, 97,657.26 and 38,936.44 is: 53,730.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,768.12 : 97,657.26 = 38,936.44 : x
  2. Step 2: Convert to fraction form
    70,768.12/97,657.26 = 38,936.44/x
  3. Step 3: Cross multiply
    70,768.12x = 97,657.26 × 38,936.44
  4. Step 4: Simplify right side
    70,768.12x = 3,802,426,044.55
  5. Step 5: Solve for x
    x = 3,802,426,044.55/70,768.12
  6. Step 6: Final answer
    x = 53,730.78

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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.