Home / 53,889.69-74,367.78-31,241.81

Finding the Fourth Proportional to 53,889.69, 74,367.78 and 31,241.81

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Solution

The fourth proportional to 53,889.69, 74,367.78 and 31,241.81 is: 43,113.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,889.69 : 74,367.78 = 31,241.81 : x
  2. Step 2: Convert to fraction form
    53,889.69/74,367.78 = 31,241.81/x
  3. Step 3: Cross multiply
    53,889.69x = 74,367.78 × 31,241.81
  4. Step 4: Simplify right side
    53,889.69x = 2,323,383,681.04
  5. Step 5: Solve for x
    x = 2,323,383,681.04/53,889.69
  6. Step 6: Final answer
    x = 43,113.70

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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.