Home / 49,775.51-68,735.79-31,632.12

Finding the Fourth Proportional to 49,775.51, 68,735.79 and 31,632.12

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Solution

The fourth proportional to 49,775.51, 68,735.79 and 31,632.12 is: 43,681.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,775.51 : 68,735.79 = 31,632.12 : x
  2. Step 2: Convert to fraction form
    49,775.51/68,735.79 = 31,632.12/x
  3. Step 3: Cross multiply
    49,775.51x = 68,735.79 × 31,632.12
  4. Step 4: Simplify right side
    49,775.51x = 2,174,258,757.57
  5. Step 5: Solve for x
    x = 2,174,258,757.57/49,775.51
  6. Step 6: Final answer
    x = 43,681.29

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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.