Home / 77,466.15-106,878.91-43,469.64

Finding the Fourth Proportional to 77,466.15, 106,878.91 and 43,469.64

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Solution

The fourth proportional to 77,466.15, 106,878.91 and 43,469.64 is: 59,974.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,466.15 : 106,878.91 = 43,469.64 : x
  2. Step 2: Convert to fraction form
    77,466.15/106,878.91 = 43,469.64/x
  3. Step 3: Cross multiply
    77,466.15x = 106,878.91 × 43,469.64
  4. Step 4: Simplify right side
    77,466.15x = 4,645,987,741.29
  5. Step 5: Solve for x
    x = 4,645,987,741.29/77,466.15
  6. Step 6: Final answer
    x = 59,974.42

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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.