Home / 103,114.28-154,471.90-57,998.57

Finding the Fourth Proportional to 103,114.28, 154,471.90 and 57,998.57

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Solution

The fourth proportional to 103,114.28, 154,471.90 and 57,998.57 is: 86,885.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,114.28 : 154,471.90 = 57,998.57 : x
  2. Step 2: Convert to fraction form
    103,114.28/154,471.90 = 57,998.57/x
  3. Step 3: Cross multiply
    103,114.28x = 154,471.90 × 57,998.57
  4. Step 4: Simplify right side
    103,114.28x = 8,959,149,546.37
  5. Step 5: Solve for x
    x = 8,959,149,546.37/103,114.28
  6. Step 6: Final answer
    x = 86,885.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.