Home / 55,076.31-76,007.42-29,925.81

Finding the Fourth Proportional to 55,076.31, 76,007.42 and 29,925.81

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Solution

The fourth proportional to 55,076.31, 76,007.42 and 29,925.81 is: 41,298.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,076.31 : 76,007.42 = 29,925.81 : x
  2. Step 2: Convert to fraction form
    55,076.31/76,007.42 = 29,925.81/x
  3. Step 3: Cross multiply
    55,076.31x = 76,007.42 × 29,925.81
  4. Step 4: Simplify right side
    55,076.31x = 2,274,583,609.51
  5. Step 5: Solve for x
    x = 2,274,583,609.51/55,076.31
  6. Step 6: Final answer
    x = 41,298.77

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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.