Home / 63,243.36-94,374-54,845.28

Finding the Fourth Proportional to 63,243.36, 94,374 and 54,845.28

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Solution

The fourth proportional to 63,243.36, 94,374 and 54,845.28 is: 81,842.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,243.36 : 94,374 = 54,845.28 : x
  2. Step 2: Convert to fraction form
    63,243.36/94,374 = 54,845.28/x
  3. Step 3: Cross multiply
    63,243.36x = 94,374 × 54,845.28
  4. Step 4: Simplify right side
    63,243.36x = 5,175,968,454.72
  5. Step 5: Solve for x
    x = 5,175,968,454.72/63,243.36
  6. Step 6: Final answer
    x = 81,842.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.