Home / 74,384.63-111,577.85-21,795.18

Finding the Fourth Proportional to 74,384.63, 111,577.85 and 21,795.18

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Solution

The fourth proportional to 74,384.63, 111,577.85 and 21,795.18 is: 32,693.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,384.63 : 111,577.85 = 21,795.18 : x
  2. Step 2: Convert to fraction form
    74,384.63/111,577.85 = 21,795.18/x
  3. Step 3: Cross multiply
    74,384.63x = 111,577.85 × 21,795.18
  4. Step 4: Simplify right side
    74,384.63x = 2,431,859,324.76
  5. Step 5: Solve for x
    x = 2,431,859,324.76/74,384.63
  6. Step 6: Final answer
    x = 32,693.04

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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.