Home / 94,988.28-131,085.08-54,709.12

Finding the Fourth Proportional to 94,988.28, 131,085.08 and 54,709.12

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Solution

The fourth proportional to 94,988.28, 131,085.08 and 54,709.12 is: 75,499.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,988.28 : 131,085.08 = 54,709.12 : x
  2. Step 2: Convert to fraction form
    94,988.28/131,085.08 = 54,709.12/x
  3. Step 3: Cross multiply
    94,988.28x = 131,085.08 × 54,709.12
  4. Step 4: Simplify right side
    94,988.28x = 7,171,549,371.93
  5. Step 5: Solve for x
    x = 7,171,549,371.93/94,988.28
  6. Step 6: Final answer
    x = 75,499.31

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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.