Home / 124,907.44-172,370.12-68,317.60

Finding the Fourth Proportional to 124,907.44, 172,370.12 and 68,317.60

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Solution

The fourth proportional to 124,907.44, 172,370.12 and 68,317.60 is: 94,277.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,907.44 : 172,370.12 = 68,317.60 : x
  2. Step 2: Convert to fraction form
    124,907.44/172,370.12 = 68,317.60/x
  3. Step 3: Cross multiply
    124,907.44x = 172,370.12 × 68,317.60
  4. Step 4: Simplify right side
    124,907.44x = 11,775,912,910.11
  5. Step 5: Solve for x
    x = 11,775,912,910.11/124,907.44
  6. Step 6: Final answer
    x = 94,277.11

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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.