Home / 60,952.76-91,431.16-20,971.36

Finding the Fourth Proportional to 60,952.76, 91,431.16 and 20,971.36

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Solution

The fourth proportional to 60,952.76, 91,431.16 and 20,971.36 is: 31,457.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,952.76 : 91,431.16 = 20,971.36 : x
  2. Step 2: Convert to fraction form
    60,952.76/91,431.16 = 20,971.36/x
  3. Step 3: Cross multiply
    60,952.76x = 91,431.16 × 20,971.36
  4. Step 4: Simplify right side
    60,952.76x = 1,917,435,771.58
  5. Step 5: Solve for x
    x = 1,917,435,771.58/60,952.76
  6. Step 6: Final answer
    x = 31,457.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.