Home / 54,368.96-75,030.30-30,497.31

Finding the Fourth Proportional to 54,368.96, 75,030.30 and 30,497.31

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Solution

The fourth proportional to 54,368.96, 75,030.30 and 30,497.31 is: 42,086.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,368.96 : 75,030.30 = 30,497.31 : x
  2. Step 2: Convert to fraction form
    54,368.96/75,030.30 = 30,497.31/x
  3. Step 3: Cross multiply
    54,368.96x = 75,030.30 × 30,497.31
  4. Step 4: Simplify right side
    54,368.96x = 2,288,222,318.49
  5. Step 5: Solve for x
    x = 2,288,222,318.49/54,368.96
  6. Step 6: Final answer
    x = 42,086.93

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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.