Home / 88,181.46-121,690.44-50,455.62

Finding the Fourth Proportional to 88,181.46, 121,690.44 and 50,455.62

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Solution

The fourth proportional to 88,181.46, 121,690.44 and 50,455.62 is: 69,628.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,181.46 : 121,690.44 = 50,455.62 : x
  2. Step 2: Convert to fraction form
    88,181.46/121,690.44 = 50,455.62/x
  3. Step 3: Cross multiply
    88,181.46x = 121,690.44 × 50,455.62
  4. Step 4: Simplify right side
    88,181.46x = 6,139,966,598.27
  5. Step 5: Solve for x
    x = 6,139,966,598.27/88,181.46
  6. Step 6: Final answer
    x = 69,628.77

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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.