Home / 76,209.53-105,172.86-45,994.29

Finding the Fourth Proportional to 76,209.53, 105,172.86 and 45,994.29

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Solution

The fourth proportional to 76,209.53, 105,172.86 and 45,994.29 is: 63,474.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,209.53 : 105,172.86 = 45,994.29 : x
  2. Step 2: Convert to fraction form
    76,209.53/105,172.86 = 45,994.29/x
  3. Step 3: Cross multiply
    76,209.53x = 105,172.86 × 45,994.29
  4. Step 4: Simplify right side
    76,209.53x = 4,837,351,022.97
  5. Step 5: Solve for x
    x = 4,837,351,022.97/76,209.53
  6. Step 6: Final answer
    x = 63,474.36

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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.