Home / 49,171.60-67,867.56-31,263.11

Finding the Fourth Proportional to 49,171.60, 67,867.56 and 31,263.11

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Solution

The fourth proportional to 49,171.60, 67,867.56 and 31,263.11 is: 43,149.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,171.60 : 67,867.56 = 31,263.11 : x
  2. Step 2: Convert to fraction form
    49,171.60/67,867.56 = 31,263.11/x
  3. Step 3: Cross multiply
    49,171.60x = 67,867.56 × 31,263.11
  4. Step 4: Simplify right side
    49,171.60x = 2,121,750,993.71
  5. Step 5: Solve for x
    x = 2,121,750,993.71/49,171.60
  6. Step 6: Final answer
    x = 43,149.93

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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.