Home / 54,102.36-81,041.76-31,847.16

Finding the Fourth Proportional to 54,102.36, 81,041.76 and 31,847.16

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Solution

The fourth proportional to 54,102.36, 81,041.76 and 31,847.16 is: 47,704.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,102.36 : 81,041.76 = 31,847.16 : x
  2. Step 2: Convert to fraction form
    54,102.36/81,041.76 = 31,847.16/x
  3. Step 3: Cross multiply
    54,102.36x = 81,041.76 × 31,847.16
  4. Step 4: Simplify right side
    54,102.36x = 2,580,949,897.40
  5. Step 5: Solve for x
    x = 2,580,949,897.40/54,102.36
  6. Step 6: Final answer
    x = 47,704.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.