Home / 68,745.05-103,127.48-26,066.19

Finding the Fourth Proportional to 68,745.05, 103,127.48 and 26,066.19

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Solution

The fourth proportional to 68,745.05, 103,127.48 and 26,066.19 is: 39,103.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,745.05 : 103,127.48 = 26,066.19 : x
  2. Step 2: Convert to fraction form
    68,745.05/103,127.48 = 26,066.19/x
  3. Step 3: Cross multiply
    68,745.05x = 103,127.48 × 26,066.19
  4. Step 4: Simplify right side
    68,745.05x = 2,688,140,357.57
  5. Step 5: Solve for x
    x = 2,688,140,357.57/68,745.05
  6. Step 6: Final answer
    x = 39,103.04

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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.