Home / 104,080.09-143,630.26-56,333.47

Finding the Fourth Proportional to 104,080.09, 143,630.26 and 56,333.47

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Solution

The fourth proportional to 104,080.09, 143,630.26 and 56,333.47 is: 77,740.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,080.09 : 143,630.26 = 56,333.47 : x
  2. Step 2: Convert to fraction form
    104,080.09/143,630.26 = 56,333.47/x
  3. Step 3: Cross multiply
    104,080.09x = 143,630.26 × 56,333.47
  4. Step 4: Simplify right side
    104,080.09x = 8,091,190,942.80
  5. Step 5: Solve for x
    x = 8,091,190,942.80/104,080.09
  6. Step 6: Final answer
    x = 77,740.05

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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.