Home / 108,924.78-150,318.75-61,181.58

Finding the Fourth Proportional to 108,924.78, 150,318.75 and 61,181.58

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Solution

The fourth proportional to 108,924.78, 150,318.75 and 61,181.58 is: 84,432.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,924.78 : 150,318.75 = 61,181.58 : x
  2. Step 2: Convert to fraction form
    108,924.78/150,318.75 = 61,181.58/x
  3. Step 3: Cross multiply
    108,924.78x = 150,318.75 × 61,181.58
  4. Step 4: Simplify right side
    108,924.78x = 9,196,738,628.63
  5. Step 5: Solve for x
    x = 9,196,738,628.63/108,924.78
  6. Step 6: Final answer
    x = 84,432.01

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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.