Home / 56,119.58-77,442.99-30,968.54

Finding the Fourth Proportional to 56,119.58, 77,442.99 and 30,968.54

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Solution

The fourth proportional to 56,119.58, 77,442.99 and 30,968.54 is: 42,735.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,119.58 : 77,442.99 = 30,968.54 : x
  2. Step 2: Convert to fraction form
    56,119.58/77,442.99 = 30,968.54/x
  3. Step 3: Cross multiply
    56,119.58x = 77,442.99 × 30,968.54
  4. Step 4: Simplify right side
    56,119.58x = 2,398,296,333.53
  5. Step 5: Solve for x
    x = 2,398,296,333.53/56,119.58
  6. Step 6: Final answer
    x = 42,735.46

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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.