Home / 88,520.49-122,161.37-48,237.57

Finding the Fourth Proportional to 88,520.49, 122,161.37 and 48,237.57

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Solution

The fourth proportional to 88,520.49, 122,161.37 and 48,237.57 is: 66,569.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,520.49 : 122,161.37 = 48,237.57 : x
  2. Step 2: Convert to fraction form
    88,520.49/122,161.37 = 48,237.57/x
  3. Step 3: Cross multiply
    88,520.49x = 122,161.37 × 48,237.57
  4. Step 4: Simplify right side
    88,520.49x = 5,892,767,395.48
  5. Step 5: Solve for x
    x = 5,892,767,395.48/88,520.49
  6. Step 6: Final answer
    x = 66,569.53

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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.