Home / 53,203.36-79,780.54-15,750.04

Finding the Fourth Proportional to 53,203.36, 79,780.54 and 15,750.04

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Solution

The fourth proportional to 53,203.36, 79,780.54 and 15,750.04 is: 23,617.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,203.36 : 79,780.54 = 15,750.04 : x
  2. Step 2: Convert to fraction form
    53,203.36/79,780.54 = 15,750.04/x
  3. Step 3: Cross multiply
    53,203.36x = 79,780.54 × 15,750.04
  4. Step 4: Simplify right side
    53,203.36x = 1,256,546,696.22
  5. Step 5: Solve for x
    x = 1,256,546,696.22/53,203.36
  6. Step 6: Final answer
    x = 23,617.81

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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.