Home / 54,016.40-74,512.68-31,656.08

Finding the Fourth Proportional to 54,016.40, 74,512.68 and 31,656.08

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Solution

The fourth proportional to 54,016.40, 74,512.68 and 31,656.08 is: 43,667.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,016.40 : 74,512.68 = 31,656.08 : x
  2. Step 2: Convert to fraction form
    54,016.40/74,512.68 = 31,656.08/x
  3. Step 3: Cross multiply
    54,016.40x = 74,512.68 × 31,656.08
  4. Step 4: Simplify right side
    54,016.40x = 2,358,779,359.09
  5. Step 5: Solve for x
    x = 2,358,779,359.09/54,016.40
  6. Step 6: Final answer
    x = 43,667.84

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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.