Home / 89,862.48-124,009.43-49,576.59

Finding the Fourth Proportional to 89,862.48, 124,009.43 and 49,576.59

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Solution

The fourth proportional to 89,862.48, 124,009.43 and 49,576.59 is: 68,415.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,862.48 : 124,009.43 = 49,576.59 : x
  2. Step 2: Convert to fraction form
    89,862.48/124,009.43 = 49,576.59/x
  3. Step 3: Cross multiply
    89,862.48x = 124,009.43 × 49,576.59
  4. Step 4: Simplify right side
    89,862.48x = 6,147,964,419.36
  5. Step 5: Solve for x
    x = 6,147,964,419.36/89,862.48
  6. Step 6: Final answer
    x = 68,415.25

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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.