Home / 69,036.63-103,556.20-21,650.66

Finding the Fourth Proportional to 69,036.63, 103,556.20 and 21,650.66

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Solution

The fourth proportional to 69,036.63, 103,556.20 and 21,650.66 is: 32,476.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,036.63 : 103,556.20 = 21,650.66 : x
  2. Step 2: Convert to fraction form
    69,036.63/103,556.20 = 21,650.66/x
  3. Step 3: Cross multiply
    69,036.63x = 103,556.20 × 21,650.66
  4. Step 4: Simplify right side
    69,036.63x = 2,242,060,077.09
  5. Step 5: Solve for x
    x = 2,242,060,077.09/69,036.63
  6. Step 6: Final answer
    x = 32,476.38

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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.