Home / 76,130.20-114,297.90-44,572.60

Finding the Fourth Proportional to 76,130.20, 114,297.90 and 44,572.60

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Solution

The fourth proportional to 76,130.20, 114,297.90 and 44,572.60 is: 66,918.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,130.20 : 114,297.90 = 44,572.60 : x
  2. Step 2: Convert to fraction form
    76,130.20/114,297.90 = 44,572.60/x
  3. Step 3: Cross multiply
    76,130.20x = 114,297.90 × 44,572.60
  4. Step 4: Simplify right side
    76,130.20x = 5,094,554,577.54
  5. Step 5: Solve for x
    x = 5,094,554,577.54/76,130.20
  6. Step 6: Final answer
    x = 66,918.97

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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.