Home / 55,219.73-76,203.59-31,346.80

Finding the Fourth Proportional to 55,219.73, 76,203.59 and 31,346.80

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Solution

The fourth proportional to 55,219.73, 76,203.59 and 31,346.80 is: 43,258.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,219.73 : 76,203.59 = 31,346.80 : x
  2. Step 2: Convert to fraction form
    55,219.73/76,203.59 = 31,346.80/x
  3. Step 3: Cross multiply
    55,219.73x = 76,203.59 × 31,346.80
  4. Step 4: Simplify right side
    55,219.73x = 2,388,738,347.77
  5. Step 5: Solve for x
    x = 2,388,738,347.77/55,219.73
  6. Step 6: Final answer
    x = 43,258.79

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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.