Home / 94,921.32-130,953.74-54,613.38

Finding the Fourth Proportional to 94,921.32, 130,953.74 and 54,613.38

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Solution

The fourth proportional to 94,921.32, 130,953.74 and 54,613.38 is: 75,344.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,921.32 : 130,953.74 = 54,613.38 : x
  2. Step 2: Convert to fraction form
    94,921.32/130,953.74 = 54,613.38/x
  3. Step 3: Cross multiply
    94,921.32x = 130,953.74 × 54,613.38
  4. Step 4: Simplify right side
    94,921.32x = 7,151,826,091.97
  5. Step 5: Solve for x
    x = 7,151,826,091.97/94,921.32
  6. Step 6: Final answer
    x = 75,344.78

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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.