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Finding the Fourth Proportional to 84,846.60, 127,269.90 and 49,271.40

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Solution

The fourth proportional to 84,846.60, 127,269.90 and 49,271.40 is: 73,907.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,846.60 : 127,269.90 = 49,271.40 : x
  2. Step 2: Convert to fraction form
    84,846.60/127,269.90 = 49,271.40/x
  3. Step 3: Cross multiply
    84,846.60x = 127,269.90 × 49,271.40
  4. Step 4: Simplify right side
    84,846.60x = 6,270,766,150.86
  5. Step 5: Solve for x
    x = 6,270,766,150.86/84,846.60
  6. Step 6: Final answer
    x = 73,907.10

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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.