Home / 52,147.80-78,221.70-50,106.60

Finding the Fourth Proportional to 52,147.80, 78,221.70 and 50,106.60

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Solution

The fourth proportional to 52,147.80, 78,221.70 and 50,106.60 is: 75,159.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,147.80 : 78,221.70 = 50,106.60 : x
  2. Step 2: Convert to fraction form
    52,147.80/78,221.70 = 50,106.60/x
  3. Step 3: Cross multiply
    52,147.80x = 78,221.70 × 50,106.60
  4. Step 4: Simplify right side
    52,147.80x = 3,919,423,433.22
  5. Step 5: Solve for x
    x = 3,919,423,433.22/52,147.80
  6. Step 6: Final answer
    x = 75,159.90

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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.