Home / 55,202.49-76,177.17-31,328.73

Finding the Fourth Proportional to 55,202.49, 76,177.17 and 31,328.73

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Solution

The fourth proportional to 55,202.49, 76,177.17 and 31,328.73 is: 43,232.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,202.49 : 76,177.17 = 31,328.73 : x
  2. Step 2: Convert to fraction form
    55,202.49/76,177.17 = 31,328.73/x
  3. Step 3: Cross multiply
    55,202.49x = 76,177.17 × 31,328.73
  4. Step 4: Simplify right side
    55,202.49x = 2,386,533,991.09
  5. Step 5: Solve for x
    x = 2,386,533,991.09/55,202.49
  6. Step 6: Final answer
    x = 43,232.36

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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.