Home / 94,646.42-130,611.80-54,362.78

Finding the Fourth Proportional to 94,646.42, 130,611.80 and 54,362.78

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Solution

The fourth proportional to 94,646.42, 130,611.80 and 54,362.78 is: 75,020.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,646.42 : 130,611.80 = 54,362.78 : x
  2. Step 2: Convert to fraction form
    94,646.42/130,611.80 = 54,362.78/x
  3. Step 3: Cross multiply
    94,646.42x = 130,611.80 × 54,362.78
  4. Step 4: Simplify right side
    94,646.42x = 7,100,419,623.93
  5. Step 5: Solve for x
    x = 7,100,419,623.93/94,646.42
  6. Step 6: Final answer
    x = 75,020.48

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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.