Home / 60,719.23-91,109.83-40,956.36

Finding the Fourth Proportional to 60,719.23, 91,109.83 and 40,956.36

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Solution

The fourth proportional to 60,719.23, 91,109.83 and 40,956.36 is: 61,455.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,719.23 : 91,109.83 = 40,956.36 : x
  2. Step 2: Convert to fraction form
    60,719.23/91,109.83 = 40,956.36/x
  3. Step 3: Cross multiply
    60,719.23x = 91,109.83 × 40,956.36
  4. Step 4: Simplify right side
    60,719.23x = 3,731,526,997.02
  5. Step 5: Solve for x
    x = 3,731,526,997.02/60,719.23
  6. Step 6: Final answer
    x = 61,455.44

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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.