Home / 51,954.04-77,965.58-19,122.04

Finding the Fourth Proportional to 51,954.04, 77,965.58 and 19,122.04

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Solution

The fourth proportional to 51,954.04, 77,965.58 and 19,122.04 is: 28,695.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,954.04 : 77,965.58 = 19,122.04 : x
  2. Step 2: Convert to fraction form
    51,954.04/77,965.58 = 19,122.04/x
  3. Step 3: Cross multiply
    51,954.04x = 77,965.58 × 19,122.04
  4. Step 4: Simplify right side
    51,954.04x = 1,490,860,939.38
  5. Step 5: Solve for x
    x = 1,490,860,939.38/51,954.04
  6. Step 6: Final answer
    x = 28,695.77

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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.