Home / 88,904.10-122,476.41-61,997.70

Finding the Fourth Proportional to 88,904.10, 122,476.41 and 61,997.70

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Solution

The fourth proportional to 88,904.10, 122,476.41 and 61,997.70 is: 85,409.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,904.10 : 122,476.41 = 61,997.70 : x
  2. Step 2: Convert to fraction form
    88,904.10/122,476.41 = 61,997.70/x
  3. Step 3: Cross multiply
    88,904.10x = 122,476.41 × 61,997.70
  4. Step 4: Simplify right side
    88,904.10x = 7,593,255,724.26
  5. Step 5: Solve for x
    x = 7,593,255,724.26/88,904.10
  6. Step 6: Final answer
    x = 85,409.51

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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.