Home / 71,914.01-99,241.45-40,082.22

Finding the Fourth Proportional to 71,914.01, 99,241.45 and 40,082.22

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Solution

The fourth proportional to 71,914.01, 99,241.45 and 40,082.22 is: 55,313.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,914.01 : 99,241.45 = 40,082.22 : x
  2. Step 2: Convert to fraction form
    71,914.01/99,241.45 = 40,082.22/x
  3. Step 3: Cross multiply
    71,914.01x = 99,241.45 × 40,082.22
  4. Step 4: Simplify right side
    71,914.01x = 3,977,817,531.81
  5. Step 5: Solve for x
    x = 3,977,817,531.81/71,914.01
  6. Step 6: Final answer
    x = 55,313.53

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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.