Home / 89,916.22-124,075.53-49,627.39

Finding the Fourth Proportional to 89,916.22, 124,075.53 and 49,627.39

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Solution

The fourth proportional to 89,916.22, 124,075.53 and 49,627.39 is: 68,480.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,916.22 : 124,075.53 = 49,627.39 : x
  2. Step 2: Convert to fraction form
    89,916.22/124,075.53 = 49,627.39/x
  3. Step 3: Cross multiply
    89,916.22x = 124,075.53 × 49,627.39
  4. Step 4: Simplify right side
    89,916.22x = 6,157,544,716.77
  5. Step 5: Solve for x
    x = 6,157,544,716.77/89,916.22
  6. Step 6: Final answer
    x = 68,480.91

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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.