Home / 124,880.08-172,334.41-68,291.44

Finding the Fourth Proportional to 124,880.08, 172,334.41 and 68,291.44

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Solution

The fourth proportional to 124,880.08, 172,334.41 and 68,291.44 is: 94,242.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,880.08 : 172,334.41 = 68,291.44 : x
  2. Step 2: Convert to fraction form
    124,880.08/172,334.41 = 68,291.44/x
  3. Step 3: Cross multiply
    124,880.08x = 172,334.41 × 68,291.44
  4. Step 4: Simplify right side
    124,880.08x = 11,768,965,020.45
  5. Step 5: Solve for x
    x = 11,768,965,020.45/124,880.08
  6. Step 6: Final answer
    x = 94,242.13

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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.