Home / 53,968.48-80,970.64-23,978.54

Finding the Fourth Proportional to 53,968.48, 80,970.64 and 23,978.54

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Solution

The fourth proportional to 53,968.48, 80,970.64 and 23,978.54 is: 35,975.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,968.48 : 80,970.64 = 23,978.54 : x
  2. Step 2: Convert to fraction form
    53,968.48/80,970.64 = 23,978.54/x
  3. Step 3: Cross multiply
    53,968.48x = 80,970.64 × 23,978.54
  4. Step 4: Simplify right side
    53,968.48x = 1,941,557,872.55
  5. Step 5: Solve for x
    x = 1,941,557,872.55/53,968.48
  6. Step 6: Final answer
    x = 35,975.78

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1.5x scale

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.