Home / 104,120.08-143,685.90-56,373.88

Finding the Fourth Proportional to 104,120.08, 143,685.90 and 56,373.88

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Solution

The fourth proportional to 104,120.08, 143,685.90 and 56,373.88 is: 77,796.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,120.08 : 143,685.90 = 56,373.88 : x
  2. Step 2: Convert to fraction form
    104,120.08/143,685.90 = 56,373.88/x
  3. Step 3: Cross multiply
    104,120.08x = 143,685.90 × 56,373.88
  4. Step 4: Simplify right side
    104,120.08x = 8,100,131,684.29
  5. Step 5: Solve for x
    x = 8,100,131,684.29/104,120.08
  6. Step 6: Final answer
    x = 77,796.06

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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.