Home / 88,511.06-122,142.45-50,267.64

Finding the Fourth Proportional to 88,511.06, 122,142.45 and 50,267.64

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Solution

The fourth proportional to 88,511.06, 122,142.45 and 50,267.64 is: 69,367.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,511.06 : 122,142.45 = 50,267.64 : x
  2. Step 2: Convert to fraction form
    88,511.06/122,142.45 = 50,267.64/x
  3. Step 3: Cross multiply
    88,511.06x = 122,142.45 × 50,267.64
  4. Step 4: Simplify right side
    88,511.06x = 6,139,812,705.32
  5. Step 5: Solve for x
    x = 6,139,812,705.32/88,511.06
  6. Step 6: Final answer
    x = 69,367.75

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1.5x scale

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.