Home / 113,027.46-155,964.62-67,080

Finding the Fourth Proportional to 113,027.46, 155,964.62 and 67,080

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Solution

The fourth proportional to 113,027.46, 155,964.62 and 67,080 is: 92,562.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,027.46 : 155,964.62 = 67,080 : x
  2. Step 2: Convert to fraction form
    113,027.46/155,964.62 = 67,080/x
  3. Step 3: Cross multiply
    113,027.46x = 155,964.62 × 67,080
  4. Step 4: Simplify right side
    113,027.46x = 10,462,106,709.60
  5. Step 5: Solve for x
    x = 10,462,106,709.60/113,027.46
  6. Step 6: Final answer
    x = 92,562.52

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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.