Home / 61,166.78-84,576.66-53,293.58

Finding the Fourth Proportional to 61,166.78, 84,576.66 and 53,293.58

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Solution

The fourth proportional to 61,166.78, 84,576.66 and 53,293.58 is: 73,690.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,166.78 : 84,576.66 = 53,293.58 : x
  2. Step 2: Convert to fraction form
    61,166.78/84,576.66 = 53,293.58/x
  3. Step 3: Cross multiply
    61,166.78x = 84,576.66 × 53,293.58
  4. Step 4: Simplify right side
    61,166.78x = 4,507,392,995.84
  5. Step 5: Solve for x
    x = 4,507,392,995.84/61,166.78
  6. Step 6: Final answer
    x = 73,690.21

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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.