Home / 94,993.56-131,079.78-54,720.45

Finding the Fourth Proportional to 94,993.56, 131,079.78 and 54,720.45

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Solution

The fourth proportional to 94,993.56, 131,079.78 and 54,720.45 is: 75,507.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,993.56 : 131,079.78 = 54,720.45 : x
  2. Step 2: Convert to fraction form
    94,993.56/131,079.78 = 54,720.45/x
  3. Step 3: Cross multiply
    94,993.56x = 131,079.78 × 54,720.45
  4. Step 4: Simplify right side
    94,993.56x = 7,172,744,547.50
  5. Step 5: Solve for x
    x = 7,172,744,547.50/94,993.56
  6. Step 6: Final answer
    x = 75,507.69

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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.