Home / 49,207.20-73,810.80-45,405.60

Finding the Fourth Proportional to 49,207.20, 73,810.80 and 45,405.60

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Solution

The fourth proportional to 49,207.20, 73,810.80 and 45,405.60 is: 68,108.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,207.20 : 73,810.80 = 45,405.60 : x
  2. Step 2: Convert to fraction form
    49,207.20/73,810.80 = 45,405.60/x
  3. Step 3: Cross multiply
    49,207.20x = 73,810.80 × 45,405.60
  4. Step 4: Simplify right side
    49,207.20x = 3,351,423,660.48
  5. Step 5: Solve for x
    x = 3,351,423,660.48/49,207.20
  6. Step 6: Final answer
    x = 68,108.40

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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.