Home / 53,769.75-74,208.02-31,108.31

Finding the Fourth Proportional to 53,769.75, 74,208.02 and 31,108.31

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Solution

The fourth proportional to 53,769.75, 74,208.02 and 31,108.31 is: 42,932.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,769.75 : 74,208.02 = 31,108.31 : x
  2. Step 2: Convert to fraction form
    53,769.75/74,208.02 = 31,108.31/x
  3. Step 3: Cross multiply
    53,769.75x = 74,208.02 × 31,108.31
  4. Step 4: Simplify right side
    53,769.75x = 2,308,486,090.65
  5. Step 5: Solve for x
    x = 2,308,486,090.65/53,769.75
  6. Step 6: Final answer
    x = 42,932.80

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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.