Home / 104,080.28-143,637.72-58,742.16

Finding the Fourth Proportional to 104,080.28, 143,637.72 and 58,742.16

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Solution

The fourth proportional to 104,080.28, 143,637.72 and 58,742.16 is: 81,068.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,080.28 : 143,637.72 = 58,742.16 : x
  2. Step 2: Convert to fraction form
    104,080.28/143,637.72 = 58,742.16/x
  3. Step 3: Cross multiply
    104,080.28x = 143,637.72 × 58,742.16
  4. Step 4: Simplify right side
    104,080.28x = 8,437,589,930.28
  5. Step 5: Solve for x
    x = 8,437,589,930.28/104,080.28
  6. Step 6: Final answer
    x = 81,068.09

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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.