Home / 53,869.65-74,349.34-31,222.58

Finding the Fourth Proportional to 53,869.65, 74,349.34 and 31,222.58

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Solution

The fourth proportional to 53,869.65, 74,349.34 and 31,222.58 is: 43,092.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,869.65 : 74,349.34 = 31,222.58 : x
  2. Step 2: Convert to fraction form
    53,869.65/74,349.34 = 31,222.58/x
  3. Step 3: Cross multiply
    53,869.65x = 74,349.34 × 31,222.58
  4. Step 4: Simplify right side
    53,869.65x = 2,321,378,323.91
  5. Step 5: Solve for x
    x = 2,321,378,323.91/53,869.65
  6. Step 6: Final answer
    x = 43,092.51

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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.