Home / 55,552.72-76,664.28-31,683.28

Finding the Fourth Proportional to 55,552.72, 76,664.28 and 31,683.28

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Solution

The fourth proportional to 55,552.72, 76,664.28 and 31,683.28 is: 43,723.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,552.72 : 76,664.28 = 31,683.28 : x
  2. Step 2: Convert to fraction form
    55,552.72/76,664.28 = 31,683.28/x
  3. Step 3: Cross multiply
    55,552.72x = 76,664.28 × 31,683.28
  4. Step 4: Simplify right side
    55,552.72x = 2,428,975,849.24
  5. Step 5: Solve for x
    x = 2,428,975,849.24/55,552.72
  6. Step 6: Final answer
    x = 43,723.80

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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.