Home / 53,231.20-79,865.64-23,646.36

Finding the Fourth Proportional to 53,231.20, 79,865.64 and 23,646.36

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Solution

The fourth proportional to 53,231.20, 79,865.64 and 23,646.36 is: 35,477.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,231.20 : 79,865.64 = 23,646.36 : x
  2. Step 2: Convert to fraction form
    53,231.20/79,865.64 = 23,646.36/x
  3. Step 3: Cross multiply
    53,231.20x = 79,865.64 × 23,646.36
  4. Step 4: Simplify right side
    53,231.20x = 1,888,531,675.07
  5. Step 5: Solve for x
    x = 1,888,531,675.07/53,231.20
  6. Step 6: Final answer
    x = 35,477.91

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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.