Home / 58,738.57-81,059.30-31,881.08

Finding the Fourth Proportional to 58,738.57, 81,059.30 and 31,881.08

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Solution

The fourth proportional to 58,738.57, 81,059.30 and 31,881.08 is: 43,995.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,738.57 : 81,059.30 = 31,881.08 : x
  2. Step 2: Convert to fraction form
    58,738.57/81,059.30 = 31,881.08/x
  3. Step 3: Cross multiply
    58,738.57x = 81,059.30 × 31,881.08
  4. Step 4: Simplify right side
    58,738.57x = 2,584,258,028.04
  5. Step 5: Solve for x
    x = 2,584,258,028.04/58,738.57
  6. Step 6: Final answer
    x = 43,995.93

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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.