Home / 53,869.70-74,328.89-31,207.33

Finding the Fourth Proportional to 53,869.70, 74,328.89 and 31,207.33

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Solution

The fourth proportional to 53,869.70, 74,328.89 and 31,207.33 is: 43,059.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,869.70 : 74,328.89 = 31,207.33 : x
  2. Step 2: Convert to fraction form
    53,869.70/74,328.89 = 31,207.33/x
  3. Step 3: Cross multiply
    53,869.70x = 74,328.89 × 31,207.33
  4. Step 4: Simplify right side
    53,869.70x = 2,319,606,198.76
  5. Step 5: Solve for x
    x = 2,319,606,198.76/53,869.70
  6. Step 6: Final answer
    x = 43,059.57

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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.