Home / 53,128.41-73,317.20-29,255.02

Finding the Fourth Proportional to 53,128.41, 73,317.20 and 29,255.02

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Solution

The fourth proportional to 53,128.41, 73,317.20 and 29,255.02 is: 40,371.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,128.41 : 73,317.20 = 29,255.02 : x
  2. Step 2: Convert to fraction form
    53,128.41/73,317.20 = 29,255.02/x
  3. Step 3: Cross multiply
    53,128.41x = 73,317.20 × 29,255.02
  4. Step 4: Simplify right side
    53,128.41x = 2,144,896,399.74
  5. Step 5: Solve for x
    x = 2,144,896,399.74/53,128.41
  6. Step 6: Final answer
    x = 40,371.93

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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.