Home / 94,890.18-130,934.88-54,588.54

Finding the Fourth Proportional to 94,890.18, 130,934.88 and 54,588.54

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Solution

The fourth proportional to 94,890.18, 130,934.88 and 54,588.54 is: 75,324.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,890.18 : 130,934.88 = 54,588.54 : x
  2. Step 2: Convert to fraction form
    94,890.18/130,934.88 = 54,588.54/x
  3. Step 3: Cross multiply
    94,890.18x = 130,934.88 × 54,588.54
  4. Step 4: Simplify right side
    94,890.18x = 7,147,543,934.28
  5. Step 5: Solve for x
    x = 7,147,543,934.28/94,890.18
  6. Step 6: Final answer
    x = 75,324.38

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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.