Home / 88,458.41-122,071.40-50,217.64

Finding the Fourth Proportional to 88,458.41, 122,071.40 and 50,217.64

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Solution

The fourth proportional to 88,458.41, 122,071.40 and 50,217.64 is: 69,299.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,458.41 : 122,071.40 = 50,217.64 : x
  2. Step 2: Convert to fraction form
    88,458.41/122,071.40 = 50,217.64/x
  3. Step 3: Cross multiply
    88,458.41x = 122,071.40 × 50,217.64
  4. Step 4: Simplify right side
    88,458.41x = 6,130,137,619.50
  5. Step 5: Solve for x
    x = 6,130,137,619.50/88,458.41
  6. Step 6: Final answer
    x = 69,299.66

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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.