Home / 53,897.75-74,378.90-31,541.75

Finding the Fourth Proportional to 53,897.75, 74,378.90 and 31,541.75

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Solution

The fourth proportional to 53,897.75, 74,378.90 and 31,541.75 is: 43,527.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,897.75 : 74,378.90 = 31,541.75 : x
  2. Step 2: Convert to fraction form
    53,897.75/74,378.90 = 31,541.75/x
  3. Step 3: Cross multiply
    53,897.75x = 74,378.90 × 31,541.75
  4. Step 4: Simplify right side
    53,897.75x = 2,346,040,669.08
  5. Step 5: Solve for x
    x = 2,346,040,669.08/53,897.75
  6. Step 6: Final answer
    x = 43,527.62

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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.