Home / 69,014.92-103,480.55-45,017.15

Finding the Fourth Proportional to 69,014.92, 103,480.55 and 45,017.15

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Solution

The fourth proportional to 69,014.92, 103,480.55 and 45,017.15 is: 67,498.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,014.92 : 103,480.55 = 45,017.15 : x
  2. Step 2: Convert to fraction form
    69,014.92/103,480.55 = 45,017.15/x
  3. Step 3: Cross multiply
    69,014.92x = 103,480.55 × 45,017.15
  4. Step 4: Simplify right side
    69,014.92x = 4,658,399,703.06
  5. Step 5: Solve for x
    x = 4,658,399,703.06/69,014.92
  6. Step 6: Final answer
    x = 67,498.44

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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.