Home / 53,273.16-79,928.64-23,688.36

Finding the Fourth Proportional to 53,273.16, 79,928.64 and 23,688.36

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Solution

The fourth proportional to 53,273.16, 79,928.64 and 23,688.36 is: 35,540.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,273.16 : 79,928.64 = 23,688.36 : x
  2. Step 2: Convert to fraction form
    53,273.16/79,928.64 = 23,688.36/x
  3. Step 3: Cross multiply
    53,273.16x = 79,928.64 × 23,688.36
  4. Step 4: Simplify right side
    53,273.16x = 1,893,378,398.63
  5. Step 5: Solve for x
    x = 1,893,378,398.63/53,273.16
  6. Step 6: Final answer
    x = 35,540.94

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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.