Home / 54,942.72-81,952.16-49,897.40

Finding the Fourth Proportional to 54,942.72, 81,952.16 and 49,897.40

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Solution

The fourth proportional to 54,942.72, 81,952.16 and 49,897.40 is: 74,426.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,942.72 : 81,952.16 = 49,897.40 : x
  2. Step 2: Convert to fraction form
    54,942.72/81,952.16 = 49,897.40/x
  3. Step 3: Cross multiply
    54,942.72x = 81,952.16 × 49,897.40
  4. Step 4: Simplify right side
    54,942.72x = 4,089,199,708.38
  5. Step 5: Solve for x
    x = 4,089,199,708.38/54,942.72
  6. Step 6: Final answer
    x = 74,426.60

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.