Home / 55,156.76-76,116.96-41,334.64

Finding the Fourth Proportional to 55,156.76, 76,116.96 and 41,334.64

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Solution

The fourth proportional to 55,156.76, 76,116.96 and 41,334.64 is: 57,042.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,156.76 : 76,116.96 = 41,334.64 : x
  2. Step 2: Convert to fraction form
    55,156.76/76,116.96 = 41,334.64/x
  3. Step 3: Cross multiply
    55,156.76x = 76,116.96 × 41,334.64
  4. Step 4: Simplify right side
    55,156.76x = 3,146,267,139.49
  5. Step 5: Solve for x
    x = 3,146,267,139.49/55,156.76
  6. Step 6: Final answer
    x = 57,042.28

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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.