Home / 88,611.85-122,284.56-48,325.87

Finding the Fourth Proportional to 88,611.85, 122,284.56 and 48,325.87

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Solution

The fourth proportional to 88,611.85, 122,284.56 and 48,325.87 is: 66,689.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,611.85 : 122,284.56 = 48,325.87 : x
  2. Step 2: Convert to fraction form
    88,611.85/122,284.56 = 48,325.87/x
  3. Step 3: Cross multiply
    88,611.85x = 122,284.56 × 48,325.87
  4. Step 4: Simplify right side
    88,611.85x = 5,909,507,749.57
  5. Step 5: Solve for x
    x = 5,909,507,749.57/88,611.85
  6. Step 6: Final answer
    x = 66,689.81

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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.