Home / 53,883.66-74,359.40-31,235.79

Finding the Fourth Proportional to 53,883.66, 74,359.40 and 31,235.79

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Solution

The fourth proportional to 53,883.66, 74,359.40 and 31,235.79 is: 43,105.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,883.66 : 74,359.40 = 31,235.79 : x
  2. Step 2: Convert to fraction form
    53,883.66/74,359.40 = 31,235.79/x
  3. Step 3: Cross multiply
    53,883.66x = 74,359.40 × 31,235.79
  4. Step 4: Simplify right side
    53,883.66x = 2,322,674,681.02
  5. Step 5: Solve for x
    x = 2,322,674,681.02/53,883.66
  6. Step 6: Final answer
    x = 43,105.36

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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.