Home / 88,709.78-122,415.23-50,465.73

Finding the Fourth Proportional to 88,709.78, 122,415.23 and 50,465.73

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Solution

The fourth proportional to 88,709.78, 122,415.23 and 50,465.73 is: 69,640.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,709.78 : 122,415.23 = 50,465.73 : x
  2. Step 2: Convert to fraction form
    88,709.78/122,415.23 = 50,465.73/x
  3. Step 3: Cross multiply
    88,709.78x = 122,415.23 × 50,465.73
  4. Step 4: Simplify right side
    88,709.78x = 6,177,774,530.29
  5. Step 5: Solve for x
    x = 6,177,774,530.29/88,709.78
  6. Step 6: Final answer
    x = 69,640.28

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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.