Home / 53,128.37-73,317.63-29,255.90

Finding the Fourth Proportional to 53,128.37, 73,317.63 and 29,255.90

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Solution

The fourth proportional to 53,128.37, 73,317.63 and 29,255.90 is: 40,373.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,128.37 : 73,317.63 = 29,255.90 : x
  2. Step 2: Convert to fraction form
    53,128.37/73,317.63 = 29,255.90/x
  3. Step 3: Cross multiply
    53,128.37x = 73,317.63 × 29,255.90
  4. Step 4: Simplify right side
    53,128.37x = 2,144,972,884.93
  5. Step 5: Solve for x
    x = 2,144,972,884.93/53,128.37
  6. Step 6: Final answer
    x = 40,373.40

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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.