Home / 53,870.44-74,340.90-31,513.96

Finding the Fourth Proportional to 53,870.44, 74,340.90 and 31,513.96

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Solution

The fourth proportional to 53,870.44, 74,340.90 and 31,513.96 is: 43,489.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,870.44 : 74,340.90 = 31,513.96 : x
  2. Step 2: Convert to fraction form
    53,870.44/74,340.90 = 31,513.96/x
  3. Step 3: Cross multiply
    53,870.44x = 74,340.90 × 31,513.96
  4. Step 4: Simplify right side
    53,870.44x = 2,342,776,148.96
  5. Step 5: Solve for x
    x = 2,342,776,148.96/53,870.44
  6. Step 6: Final answer
    x = 43,489.09

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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.