Home / 56,661.25-84,953.53-31,718.51

Finding the Fourth Proportional to 56,661.25, 84,953.53 and 31,718.51

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Solution

The fourth proportional to 56,661.25, 84,953.53 and 31,718.51 is: 47,556.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,661.25 : 84,953.53 = 31,718.51 : x
  2. Step 2: Convert to fraction form
    56,661.25/84,953.53 = 31,718.51/x
  3. Step 3: Cross multiply
    56,661.25x = 84,953.53 × 31,718.51
  4. Step 4: Simplify right side
    56,661.25x = 2,694,599,232.25
  5. Step 5: Solve for x
    x = 2,694,599,232.25/56,661.25
  6. Step 6: Final answer
    x = 47,556.30

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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.