Home / 88,434.75-122,087.04-71,017.74

Finding the Fourth Proportional to 88,434.75, 122,087.04 and 71,017.74

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Solution

The fourth proportional to 88,434.75, 122,087.04 and 71,017.74 is: 98,042.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,434.75 : 122,087.04 = 71,017.74 : x
  2. Step 2: Convert to fraction form
    88,434.75/122,087.04 = 71,017.74/x
  3. Step 3: Cross multiply
    88,434.75x = 122,087.04 × 71,017.74
  4. Step 4: Simplify right side
    88,434.75x = 8,670,345,664.09
  5. Step 5: Solve for x
    x = 8,670,345,664.09/88,434.75
  6. Step 6: Final answer
    x = 98,042.29

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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.