Home / 94,923.09-130,975.38-54,638.55

Finding the Fourth Proportional to 94,923.09, 130,975.38 and 54,638.55

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Solution

The fourth proportional to 94,923.09, 130,975.38 and 54,638.55 is: 75,390.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,923.09 : 130,975.38 = 54,638.55 : x
  2. Step 2: Convert to fraction form
    94,923.09/130,975.38 = 54,638.55/x
  3. Step 3: Cross multiply
    94,923.09x = 130,975.38 × 54,638.55
  4. Step 4: Simplify right side
    94,923.09x = 7,156,304,848.90
  5. Step 5: Solve for x
    x = 7,156,304,848.90/94,923.09
  6. Step 6: Final answer
    x = 75,390.56

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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.