Home / 69,514.20-104,271.30-43,205.40

Finding the Fourth Proportional to 69,514.20, 104,271.30 and 43,205.40

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Solution

The fourth proportional to 69,514.20, 104,271.30 and 43,205.40 is: 64,808.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,514.20 : 104,271.30 = 43,205.40 : x
  2. Step 2: Convert to fraction form
    69,514.20/104,271.30 = 43,205.40/x
  3. Step 3: Cross multiply
    69,514.20x = 104,271.30 × 43,205.40
  4. Step 4: Simplify right side
    69,514.20x = 4,505,083,225.02
  5. Step 5: Solve for x
    x = 4,505,083,225.02/69,514.20
  6. Step 6: Final answer
    x = 64,808.10

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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.