Home / 69,820.41-104,555.65-55,109.19

Finding the Fourth Proportional to 69,820.41, 104,555.65 and 55,109.19

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Solution

The fourth proportional to 69,820.41, 104,555.65 and 55,109.19 is: 82,525.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,820.41 : 104,555.65 = 55,109.19 : x
  2. Step 2: Convert to fraction form
    69,820.41/104,555.65 = 55,109.19/x
  3. Step 3: Cross multiply
    69,820.41x = 104,555.65 × 55,109.19
  4. Step 4: Simplify right side
    69,820.41x = 5,761,977,181.42
  5. Step 5: Solve for x
    x = 5,761,977,181.42/69,820.41
  6. Step 6: Final answer
    x = 82,525.69

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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.