Home / 66,110.28-99,167.24-19,363.12

Finding the Fourth Proportional to 66,110.28, 99,167.24 and 19,363.12

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Solution

The fourth proportional to 66,110.28, 99,167.24 and 19,363.12 is: 29,045.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,110.28 : 99,167.24 = 19,363.12 : x
  2. Step 2: Convert to fraction form
    66,110.28/99,167.24 = 19,363.12/x
  3. Step 3: Cross multiply
    66,110.28x = 99,167.24 × 19,363.12
  4. Step 4: Simplify right side
    66,110.28x = 1,920,187,168.19
  5. Step 5: Solve for x
    x = 1,920,187,168.19/66,110.28
  6. Step 6: Final answer
    x = 29,045.21

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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.