Home / 102,441.11-141,307.81-79,744.16

Finding the Fourth Proportional to 102,441.11, 141,307.81 and 79,744.16

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Solution

The fourth proportional to 102,441.11, 141,307.81 and 79,744.16 is: 109,999.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,441.11 : 141,307.81 = 79,744.16 : x
  2. Step 2: Convert to fraction form
    102,441.11/141,307.81 = 79,744.16/x
  3. Step 3: Cross multiply
    102,441.11x = 141,307.81 × 79,744.16
  4. Step 4: Simplify right side
    102,441.11x = 11,268,472,763.80
  5. Step 5: Solve for x
    x = 11,268,472,763.80/102,441.11
  6. Step 6: Final answer
    x = 109,999.52

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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.