Home / 53,130.38-73,319.92-29,257.00

Finding the Fourth Proportional to 53,130.38, 73,319.92 and 29,257.00

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Solution

The fourth proportional to 53,130.38, 73,319.92 and 29,257.00 is: 40,374.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,130.38 : 73,319.92 = 29,257.00 : x
  2. Step 2: Convert to fraction form
    53,130.38/73,319.92 = 29,257.00/x
  3. Step 3: Cross multiply
    53,130.38x = 73,319.92 × 29,257.00
  4. Step 4: Simplify right side
    53,130.38x = 2,145,120,643.00
  5. Step 5: Solve for x
    x = 2,145,120,643.00/53,130.38
  6. Step 6: Final answer
    x = 40,374.66

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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.