Home / 88,899.40-122,679.98-50,661.23

Finding the Fourth Proportional to 88,899.40, 122,679.98 and 50,661.23

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Solution

The fourth proportional to 88,899.40, 122,679.98 and 50,661.23 is: 69,911.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,899.40 : 122,679.98 = 50,661.23 : x
  2. Step 2: Convert to fraction form
    88,899.40/122,679.98 = 50,661.23/x
  3. Step 3: Cross multiply
    88,899.40x = 122,679.98 × 50,661.23
  4. Step 4: Simplify right side
    88,899.40x = 6,215,118,006.45
  5. Step 5: Solve for x
    x = 6,215,118,006.45/88,899.40
  6. Step 6: Final answer
    x = 69,911.81

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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.