Home / 53,223.13-79,840.86-17,687.62

Finding the Fourth Proportional to 53,223.13, 79,840.86 and 17,687.62

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Solution

The fourth proportional to 53,223.13, 79,840.86 and 17,687.62 is: 26,533.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,223.13 : 79,840.86 = 17,687.62 : x
  2. Step 2: Convert to fraction form
    53,223.13/79,840.86 = 17,687.62/x
  3. Step 3: Cross multiply
    53,223.13x = 79,840.86 × 17,687.62
  4. Step 4: Simplify right side
    53,223.13x = 1,412,194,792.15
  5. Step 5: Solve for x
    x = 1,412,194,792.15/53,223.13
  6. Step 6: Final answer
    x = 26,533.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.