Home / 57,333.21-85,900.78-31,056.40

Finding the Fourth Proportional to 57,333.21, 85,900.78 and 31,056.40

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Solution

The fourth proportional to 57,333.21, 85,900.78 and 31,056.40 is: 46,530.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,333.21 : 85,900.78 = 31,056.40 : x
  2. Step 2: Convert to fraction form
    57,333.21/85,900.78 = 31,056.40/x
  3. Step 3: Cross multiply
    57,333.21x = 85,900.78 × 31,056.40
  4. Step 4: Simplify right side
    57,333.21x = 2,667,768,983.99
  5. Step 5: Solve for x
    x = 2,667,768,983.99/57,333.21
  6. Step 6: Final answer
    x = 46,530.95

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1.5x scale

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.