Home / 75,731.68-104,492.85-43,464.31

Finding the Fourth Proportional to 75,731.68, 104,492.85 and 43,464.31

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Solution

The fourth proportional to 75,731.68, 104,492.85 and 43,464.31 is: 59,971.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,731.68 : 104,492.85 = 43,464.31 : x
  2. Step 2: Convert to fraction form
    75,731.68/104,492.85 = 43,464.31/x
  3. Step 3: Cross multiply
    75,731.68x = 104,492.85 × 43,464.31
  4. Step 4: Simplify right side
    75,731.68x = 4,541,709,102.72
  5. Step 5: Solve for x
    x = 4,541,709,102.72/75,731.68
  6. Step 6: Final answer
    x = 59,971.06

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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.