Home / 55,232.51-76,218.14-31,356.05

Finding the Fourth Proportional to 55,232.51, 76,218.14 and 31,356.05

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Solution

The fourth proportional to 55,232.51, 76,218.14 and 31,356.05 is: 43,269.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,232.51 : 76,218.14 = 31,356.05 : x
  2. Step 2: Convert to fraction form
    55,232.51/76,218.14 = 31,356.05/x
  3. Step 3: Cross multiply
    55,232.51x = 76,218.14 × 31,356.05
  4. Step 4: Simplify right side
    55,232.51x = 2,389,899,270.88
  5. Step 5: Solve for x
    x = 2,389,899,270.88/55,232.51
  6. Step 6: Final answer
    x = 43,269.80

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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.