Home / 88,919.36-122,708.89-48,633

Finding the Fourth Proportional to 88,919.36, 122,708.89 and 48,633

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Solution

The fourth proportional to 88,919.36, 122,708.89 and 48,633 is: 67,113.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,919.36 : 122,708.89 = 48,633 : x
  2. Step 2: Convert to fraction form
    88,919.36/122,708.89 = 48,633/x
  3. Step 3: Cross multiply
    88,919.36x = 122,708.89 × 48,633
  4. Step 4: Simplify right side
    88,919.36x = 5,967,701,447.37
  5. Step 5: Solve for x
    x = 5,967,701,447.37/88,919.36
  6. Step 6: Final answer
    x = 67,113.63

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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.