Home / 55,955.80-83,933.70-43,271.20

Finding the Fourth Proportional to 55,955.80, 83,933.70 and 43,271.20

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Solution

The fourth proportional to 55,955.80, 83,933.70 and 43,271.20 is: 64,906.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,955.80 : 83,933.70 = 43,271.20 : x
  2. Step 2: Convert to fraction form
    55,955.80/83,933.70 = 43,271.20/x
  3. Step 3: Cross multiply
    55,955.80x = 83,933.70 × 43,271.20
  4. Step 4: Simplify right side
    55,955.80x = 3,631,911,919.44
  5. Step 5: Solve for x
    x = 3,631,911,919.44/55,955.80
  6. Step 6: Final answer
    x = 64,906.80

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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.