Home / 88,710.16-122,415.75-50,466.11

Finding the Fourth Proportional to 88,710.16, 122,415.75 and 50,466.11

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Solution

The fourth proportional to 88,710.16, 122,415.75 and 50,466.11 is: 69,640.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,710.16 : 122,415.75 = 50,466.11 : x
  2. Step 2: Convert to fraction form
    88,710.16/122,415.75 = 50,466.11/x
  3. Step 3: Cross multiply
    88,710.16x = 122,415.75 × 50,466.11
  4. Step 4: Simplify right side
    88,710.16x = 6,177,846,552.21
  5. Step 5: Solve for x
    x = 6,177,846,552.21/88,710.16
  6. Step 6: Final answer
    x = 69,640.80

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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.