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Finding the Fourth Proportional to 73,126.63, 100,914.76 and 41,297.58

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Solution

The fourth proportional to 73,126.63, 100,914.76 and 41,297.58 is: 56,990.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,126.63 : 100,914.76 = 41,297.58 : x
  2. Step 2: Convert to fraction form
    73,126.63/100,914.76 = 41,297.58/x
  3. Step 3: Cross multiply
    73,126.63x = 100,914.76 × 41,297.58
  4. Step 4: Simplify right side
    73,126.63x = 4,167,534,915.51
  5. Step 5: Solve for x
    x = 4,167,534,915.51/73,126.63
  6. Step 6: Final answer
    x = 56,990.66

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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.