Home / 53,974.40-74,454.72-31,614.08

Finding the Fourth Proportional to 53,974.40, 74,454.72 and 31,614.08

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Solution

The fourth proportional to 53,974.40, 74,454.72 and 31,614.08 is: 43,609.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,974.40 : 74,454.72 = 31,614.08 : x
  2. Step 2: Convert to fraction form
    53,974.40/74,454.72 = 31,614.08/x
  3. Step 3: Cross multiply
    53,974.40x = 74,454.72 × 31,614.08
  4. Step 4: Simplify right side
    53,974.40x = 2,353,817,474.46
  5. Step 5: Solve for x
    x = 2,353,817,474.46/53,974.40
  6. Step 6: Final answer
    x = 43,609.89

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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.