Home / 104,019.28-143,536.20-58,693.20

Finding the Fourth Proportional to 104,019.28, 143,536.20 and 58,693.20

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Solution

The fourth proportional to 104,019.28, 143,536.20 and 58,693.20 is: 80,990.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,019.28 : 143,536.20 = 58,693.20 : x
  2. Step 2: Convert to fraction form
    104,019.28/143,536.20 = 58,693.20/x
  3. Step 3: Cross multiply
    104,019.28x = 143,536.20 × 58,693.20
  4. Step 4: Simplify right side
    104,019.28x = 8,424,598,893.84
  5. Step 5: Solve for x
    x = 8,424,598,893.84/104,019.28
  6. Step 6: Final answer
    x = 80,990.74

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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.