Home / 113,056.74-155,973.92-67,736.64

Finding the Fourth Proportional to 113,056.74, 155,973.92 and 67,736.64

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Solution

The fourth proportional to 113,056.74, 155,973.92 and 67,736.64 is: 93,449.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,056.74 : 155,973.92 = 67,736.64 : x
  2. Step 2: Convert to fraction form
    113,056.74/155,973.92 = 67,736.64/x
  3. Step 3: Cross multiply
    113,056.74x = 155,973.92 × 67,736.64
  4. Step 4: Simplify right side
    113,056.74x = 10,565,149,268.43
  5. Step 5: Solve for x
    x = 10,565,149,268.43/113,056.74
  6. Step 6: Final answer
    x = 93,449.97

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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.