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Finding the Fourth Proportional to 47,114.40, 70,671.60 and 41,865.60

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Solution

The fourth proportional to 47,114.40, 70,671.60 and 41,865.60 is: 62,798.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,114.40 : 70,671.60 = 41,865.60 : x
  2. Step 2: Convert to fraction form
    47,114.40/70,671.60 = 41,865.60/x
  3. Step 3: Cross multiply
    47,114.40x = 70,671.60 × 41,865.60
  4. Step 4: Simplify right side
    47,114.40x = 2,958,708,936.96
  5. Step 5: Solve for x
    x = 2,958,708,936.96/47,114.40
  6. Step 6: Final answer
    x = 62,798.40

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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.