Home / 88,895.24-122,688.78-51,162.20

Finding the Fourth Proportional to 88,895.24, 122,688.78 and 51,162.20

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Solution

The fourth proportional to 88,895.24, 122,688.78 and 51,162.20 is: 70,611.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,895.24 : 122,688.78 = 51,162.20 : x
  2. Step 2: Convert to fraction form
    88,895.24/122,688.78 = 51,162.20/x
  3. Step 3: Cross multiply
    88,895.24x = 122,688.78 × 51,162.20
  4. Step 4: Simplify right side
    88,895.24x = 6,277,027,900.12
  5. Step 5: Solve for x
    x = 6,277,027,900.12/88,895.24
  6. Step 6: Final answer
    x = 70,611.52

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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.