Home / 55,176.12-76,142.34-30,025.62

Finding the Fourth Proportional to 55,176.12, 76,142.34 and 30,025.62

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Solution

The fourth proportional to 55,176.12, 76,142.34 and 30,025.62 is: 41,434.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,176.12 : 76,142.34 = 30,025.62 : x
  2. Step 2: Convert to fraction form
    55,176.12/76,142.34 = 30,025.62/x
  3. Step 3: Cross multiply
    55,176.12x = 76,142.34 × 30,025.62
  4. Step 4: Simplify right side
    55,176.12x = 2,286,220,966.75
  5. Step 5: Solve for x
    x = 2,286,220,966.75/55,176.12
  6. Step 6: Final answer
    x = 41,434.97

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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.