Home / 54,096.51-81,023.76-31,272.39

Finding the Fourth Proportional to 54,096.51, 81,023.76 and 31,272.39

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Solution

The fourth proportional to 54,096.51, 81,023.76 and 31,272.39 is: 46,838.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,096.51 : 81,023.76 = 31,272.39 : x
  2. Step 2: Convert to fraction form
    54,096.51/81,023.76 = 31,272.39/x
  3. Step 3: Cross multiply
    54,096.51x = 81,023.76 × 31,272.39
  4. Step 4: Simplify right side
    54,096.51x = 2,533,806,543.81
  5. Step 5: Solve for x
    x = 2,533,806,543.81/54,096.51
  6. Step 6: Final answer
    x = 46,838.64

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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.