Home / 53,971.62-74,486.19-40,335.98

Finding the Fourth Proportional to 53,971.62, 74,486.19 and 40,335.98

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Solution

The fourth proportional to 53,971.62, 74,486.19 and 40,335.98 is: 55,667.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,971.62 : 74,486.19 = 40,335.98 : x
  2. Step 2: Convert to fraction form
    53,971.62/74,486.19 = 40,335.98/x
  3. Step 3: Cross multiply
    53,971.62x = 74,486.19 × 40,335.98
  4. Step 4: Simplify right side
    53,971.62x = 3,004,473,470.12
  5. Step 5: Solve for x
    x = 3,004,473,470.12/53,971.62
  6. Step 6: Final answer
    x = 55,667.65

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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.