Home / 53,131.02-73,319.22-29,257.62

Finding the Fourth Proportional to 53,131.02, 73,319.22 and 29,257.62

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Solution

The fourth proportional to 53,131.02, 73,319.22 and 29,257.62 is: 40,374.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,131.02 : 73,319.22 = 29,257.62 : x
  2. Step 2: Convert to fraction form
    53,131.02/73,319.22 = 29,257.62/x
  3. Step 3: Cross multiply
    53,131.02x = 73,319.22 × 29,257.62
  4. Step 4: Simplify right side
    53,131.02x = 2,145,145,877.46
  5. Step 5: Solve for x
    x = 2,145,145,877.46/53,131.02
  6. Step 6: Final answer
    x = 40,374.64

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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.