Home / 53,131.40-73,321.34-29,258.02

Finding the Fourth Proportional to 53,131.40, 73,321.34 and 29,258.02

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Solution

The fourth proportional to 53,131.40, 73,321.34 and 29,258.02 is: 40,376.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,131.40 : 73,321.34 = 29,258.02 : x
  2. Step 2: Convert to fraction form
    53,131.40/73,321.34 = 29,258.02/x
  3. Step 3: Cross multiply
    53,131.40x = 73,321.34 × 29,258.02
  4. Step 4: Simplify right side
    53,131.40x = 2,145,237,232.15
  5. Step 5: Solve for x
    x = 2,145,237,232.15/53,131.40
  6. Step 6: Final answer
    x = 40,376.07

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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.