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Finding the Fourth Proportional to 71,630.01, 107,407.94 and 32,153.13

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Solution

The fourth proportional to 71,630.01, 107,407.94 and 32,153.13 is: 48,213.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,630.01 : 107,407.94 = 32,153.13 : x
  2. Step 2: Convert to fraction form
    71,630.01/107,407.94 = 32,153.13/x
  3. Step 3: Cross multiply
    71,630.01x = 107,407.94 × 32,153.13
  4. Step 4: Simplify right side
    71,630.01x = 3,453,501,297.09
  5. Step 5: Solve for x
    x = 3,453,501,297.09/71,630.01
  6. Step 6: Final answer
    x = 48,213.05

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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.