Home / 66,410.12-99,615.36-19,025.12

Finding the Fourth Proportional to 66,410.12, 99,615.36 and 19,025.12

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Solution

The fourth proportional to 66,410.12, 99,615.36 and 19,025.12 is: 28,537.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,410.12 : 99,615.36 = 19,025.12 : x
  2. Step 2: Convert to fraction form
    66,410.12/99,615.36 = 19,025.12/x
  3. Step 3: Cross multiply
    66,410.12x = 99,615.36 × 19,025.12
  4. Step 4: Simplify right side
    66,410.12x = 1,895,194,177.84
  5. Step 5: Solve for x
    x = 1,895,194,177.84/66,410.12
  6. Step 6: Final answer
    x = 28,537.73

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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.