Home / 89,078.48-122,929.31-50,843.18

Finding the Fourth Proportional to 89,078.48, 122,929.31 and 50,843.18

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Solution

The fourth proportional to 89,078.48, 122,929.31 and 50,843.18 is: 70,164.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,078.48 : 122,929.31 = 50,843.18 : x
  2. Step 2: Convert to fraction form
    89,078.48/122,929.31 = 50,843.18/x
  3. Step 3: Cross multiply
    89,078.48x = 122,929.31 × 50,843.18
  4. Step 4: Simplify right side
    89,078.48x = 6,250,116,166.74
  5. Step 5: Solve for x
    x = 6,250,116,166.74/89,078.48
  6. Step 6: Final answer
    x = 70,164.16

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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.