Home / 69,485.40-104,228.10-25,126.20

Finding the Fourth Proportional to 69,485.40, 104,228.10 and 25,126.20

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Solution

The fourth proportional to 69,485.40, 104,228.10 and 25,126.20 is: 37,689.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,485.40 : 104,228.10 = 25,126.20 : x
  2. Step 2: Convert to fraction form
    69,485.40/104,228.10 = 25,126.20/x
  3. Step 3: Cross multiply
    69,485.40x = 104,228.10 × 25,126.20
  4. Step 4: Simplify right side
    69,485.40x = 2,618,856,086.22
  5. Step 5: Solve for x
    x = 2,618,856,086.22/69,485.40
  6. Step 6: Final answer
    x = 37,689.30

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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.