Home / 104,080.19-143,631.09-56,333.52

Finding the Fourth Proportional to 104,080.19, 143,631.09 and 56,333.52

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Solution

The fourth proportional to 104,080.19, 143,631.09 and 56,333.52 is: 77,740.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,080.19 : 143,631.09 = 56,333.52 : x
  2. Step 2: Convert to fraction form
    104,080.19/143,631.09 = 56,333.52/x
  3. Step 3: Cross multiply
    104,080.19x = 143,631.09 × 56,333.52
  4. Step 4: Simplify right side
    104,080.19x = 8,091,244,881.14
  5. Step 5: Solve for x
    x = 8,091,244,881.14/104,080.19
  6. Step 6: Final answer
    x = 77,740.49

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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.