Home / 104,002.09-143,522.49-56,255.38

Finding the Fourth Proportional to 104,002.09, 143,522.49 and 56,255.38

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Solution

The fourth proportional to 104,002.09, 143,522.49 and 56,255.38 is: 77,632.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,002.09 : 143,522.49 = 56,255.38 : x
  2. Step 2: Convert to fraction form
    104,002.09/143,522.49 = 56,255.38/x
  3. Step 3: Cross multiply
    104,002.09x = 143,522.49 × 56,255.38
  4. Step 4: Simplify right side
    104,002.09x = 8,073,912,213.50
  5. Step 5: Solve for x
    x = 8,073,912,213.50/104,002.09
  6. Step 6: Final answer
    x = 77,632.21

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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.