Home / 94,453.64-130,341-54,165.48

Finding the Fourth Proportional to 94,453.64, 130,341 and 54,165.48

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Solution

The fourth proportional to 94,453.64, 130,341 and 54,165.48 is: 74,745.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,453.64 : 130,341 = 54,165.48 : x
  2. Step 2: Convert to fraction form
    94,453.64/130,341 = 54,165.48/x
  3. Step 3: Cross multiply
    94,453.64x = 130,341 × 54,165.48
  4. Step 4: Simplify right side
    94,453.64x = 7,059,982,828.68
  5. Step 5: Solve for x
    x = 7,059,982,828.68/94,453.64
  6. Step 6: Final answer
    x = 74,745.48

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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.