Home / 54,179.72-74,773.64-31,210.33

Finding the Fourth Proportional to 54,179.72, 74,773.64 and 31,210.33

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Solution

The fourth proportional to 54,179.72, 74,773.64 and 31,210.33 is: 43,073.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,179.72 : 74,773.64 = 31,210.33 : x
  2. Step 2: Convert to fraction form
    54,179.72/74,773.64 = 31,210.33/x
  3. Step 3: Cross multiply
    54,179.72x = 74,773.64 × 31,210.33
  4. Step 4: Simplify right side
    54,179.72x = 2,333,709,636.72
  5. Step 5: Solve for x
    x = 2,333,709,636.72/54,179.72
  6. Step 6: Final answer
    x = 43,073.49

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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.