Home / 104,066.22-143,611.38-56,319.56

Finding the Fourth Proportional to 104,066.22, 143,611.38 and 56,319.56

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Solution

The fourth proportional to 104,066.22, 143,611.38 and 56,319.56 is: 77,720.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,066.22 : 143,611.38 = 56,319.56 : x
  2. Step 2: Convert to fraction form
    104,066.22/143,611.38 = 56,319.56/x
  3. Step 3: Cross multiply
    104,066.22x = 143,611.38 × 56,319.56
  4. Step 4: Simplify right side
    104,066.22x = 8,088,129,014.54
  5. Step 5: Solve for x
    x = 8,088,129,014.54/104,066.22
  6. Step 6: Final answer
    x = 77,720.98

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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.