Home / 76,301.36-114,466.39-30,712.55

Finding the Fourth Proportional to 76,301.36, 114,466.39 and 30,712.55

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Solution

The fourth proportional to 76,301.36, 114,466.39 and 30,712.55 is: 46,074.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,301.36 : 114,466.39 = 30,712.55 : x
  2. Step 2: Convert to fraction form
    76,301.36/114,466.39 = 30,712.55/x
  3. Step 3: Cross multiply
    76,301.36x = 114,466.39 × 30,712.55
  4. Step 4: Simplify right side
    76,301.36x = 3,515,554,077.08
  5. Step 5: Solve for x
    x = 3,515,554,077.08/76,301.36
  6. Step 6: Final answer
    x = 46,074.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.