Home / 53,968.24-74,485.14-31,320.64

Finding the Fourth Proportional to 53,968.24, 74,485.14 and 31,320.64

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Solution

The fourth proportional to 53,968.24, 74,485.14 and 31,320.64 is: 43,227.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,968.24 : 74,485.14 = 31,320.64 : x
  2. Step 2: Convert to fraction form
    53,968.24/74,485.14 = 31,320.64/x
  3. Step 3: Cross multiply
    53,968.24x = 74,485.14 × 31,320.64
  4. Step 4: Simplify right side
    53,968.24x = 2,332,922,255.29
  5. Step 5: Solve for x
    x = 2,332,922,255.29/53,968.24
  6. Step 6: Final answer
    x = 43,227.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.