Home / 55,529.28-76,638.96-43,682.40

Finding the Fourth Proportional to 55,529.28, 76,638.96 and 43,682.40

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Solution

The fourth proportional to 55,529.28, 76,638.96 and 43,682.40 is: 60,288.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,529.28 : 76,638.96 = 43,682.40 : x
  2. Step 2: Convert to fraction form
    55,529.28/76,638.96 = 43,682.40/x
  3. Step 3: Cross multiply
    55,529.28x = 76,638.96 × 43,682.40
  4. Step 4: Simplify right side
    55,529.28x = 3,347,773,706.30
  5. Step 5: Solve for x
    x = 3,347,773,706.30/55,529.28
  6. Step 6: Final answer
    x = 60,288.44

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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.