Home / 73,754.12-101,777.64-40,220.12

Finding the Fourth Proportional to 73,754.12, 101,777.64 and 40,220.12

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Solution

The fourth proportional to 73,754.12, 101,777.64 and 40,220.12 is: 55,502.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,754.12 : 101,777.64 = 40,220.12 : x
  2. Step 2: Convert to fraction form
    73,754.12/101,777.64 = 40,220.12/x
  3. Step 3: Cross multiply
    73,754.12x = 101,777.64 × 40,220.12
  4. Step 4: Simplify right side
    73,754.12x = 4,093,508,894.12
  5. Step 5: Solve for x
    x = 4,093,508,894.12/73,754.12
  6. Step 6: Final answer
    x = 55,502.10

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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.