Home / 63,145.56-87,140.28-34,850.64

Finding the Fourth Proportional to 63,145.56, 87,140.28 and 34,850.64

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Solution

The fourth proportional to 63,145.56, 87,140.28 and 34,850.64 is: 48,093.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,145.56 : 87,140.28 = 34,850.64 : x
  2. Step 2: Convert to fraction form
    63,145.56/87,140.28 = 34,850.64/x
  3. Step 3: Cross multiply
    63,145.56x = 87,140.28 × 34,850.64
  4. Step 4: Simplify right side
    63,145.56x = 3,036,894,527.78
  5. Step 5: Solve for x
    x = 3,036,894,527.78/63,145.56
  6. Step 6: Final answer
    x = 48,093.56

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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.