Home / 76,631.04-105,749.82-43,097.04

Finding the Fourth Proportional to 76,631.04, 105,749.82 and 43,097.04

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Solution

The fourth proportional to 76,631.04, 105,749.82 and 43,097.04 is: 59,473.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,631.04 : 105,749.82 = 43,097.04 : x
  2. Step 2: Convert to fraction form
    76,631.04/105,749.82 = 43,097.04/x
  3. Step 3: Cross multiply
    76,631.04x = 105,749.82 × 43,097.04
  4. Step 4: Simplify right side
    76,631.04x = 4,557,504,222.53
  5. Step 5: Solve for x
    x = 4,557,504,222.53/76,631.04
  6. Step 6: Final answer
    x = 59,473.34

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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.