Home / 74,528.76-111,781-21,925.96

Finding the Fourth Proportional to 74,528.76, 111,781 and 21,925.96

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Solution

The fourth proportional to 74,528.76, 111,781 and 21,925.96 is: 32,885.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,528.76 : 111,781 = 21,925.96 : x
  2. Step 2: Convert to fraction form
    74,528.76/111,781 = 21,925.96/x
  3. Step 3: Cross multiply
    74,528.76x = 111,781 × 21,925.96
  4. Step 4: Simplify right side
    74,528.76x = 2,450,905,734.76
  5. Step 5: Solve for x
    x = 2,450,905,734.76/74,528.76
  6. Step 6: Final answer
    x = 32,885.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.