Home / 94,505.16-130,422.60-54,218.64

Finding the Fourth Proportional to 94,505.16, 130,422.60 and 54,218.64

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Solution

The fourth proportional to 94,505.16, 130,422.60 and 54,218.64 is: 74,824.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,505.16 : 130,422.60 = 54,218.64 : x
  2. Step 2: Convert to fraction form
    94,505.16/130,422.60 = 54,218.64/x
  3. Step 3: Cross multiply
    94,505.16x = 130,422.60 × 54,218.64
  4. Step 4: Simplify right side
    94,505.16x = 7,071,335,997.26
  5. Step 5: Solve for x
    x = 7,071,335,997.26/94,505.16
  6. Step 6: Final answer
    x = 74,824.87

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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.