Home / 89,916.48-124,075.89-49,627.64

Finding the Fourth Proportional to 89,916.48, 124,075.89 and 49,627.64

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Solution

The fourth proportional to 89,916.48, 124,075.89 and 49,627.64 is: 68,481.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,916.48 : 124,075.89 = 49,627.64 : x
  2. Step 2: Convert to fraction form
    89,916.48/124,075.89 = 49,627.64/x
  3. Step 3: Cross multiply
    89,916.48x = 124,075.89 × 49,627.64
  4. Step 4: Simplify right side
    89,916.48x = 6,157,593,601.60
  5. Step 5: Solve for x
    x = 6,157,593,601.60/89,916.48
  6. Step 6: Final answer
    x = 68,481.26

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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.