Home / 55,544.20-83,186.70-54,430.60

Finding the Fourth Proportional to 55,544.20, 83,186.70 and 54,430.60

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Solution

The fourth proportional to 55,544.20, 83,186.70 and 54,430.60 is: 81,518.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,544.20 : 83,186.70 = 54,430.60 : x
  2. Step 2: Convert to fraction form
    55,544.20/83,186.70 = 54,430.60/x
  3. Step 3: Cross multiply
    55,544.20x = 83,186.70 × 54,430.60
  4. Step 4: Simplify right side
    55,544.20x = 4,527,901,993.02
  5. Step 5: Solve for x
    x = 4,527,901,993.02/55,544.20
  6. Step 6: Final answer
    x = 81,518.90

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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.