Home / 90,647.10-125,098.56-50,361.12

Finding the Fourth Proportional to 90,647.10, 125,098.56 and 50,361.12

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Solution

The fourth proportional to 90,647.10, 125,098.56 and 50,361.12 is: 69,501.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,647.10 : 125,098.56 = 50,361.12 : x
  2. Step 2: Convert to fraction form
    90,647.10/125,098.56 = 50,361.12/x
  3. Step 3: Cross multiply
    90,647.10x = 125,098.56 × 50,361.12
  4. Step 4: Simplify right side
    90,647.10x = 6,300,103,591.99
  5. Step 5: Solve for x
    x = 6,300,103,591.99/90,647.10
  6. Step 6: Final answer
    x = 69,501.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.