Home / 54,275.35-74,897.81-30,400.81

Finding the Fourth Proportional to 54,275.35, 74,897.81 and 30,400.81

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Solution

The fourth proportional to 54,275.35, 74,897.81 and 30,400.81 is: 41,951.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,275.35 : 74,897.81 = 30,400.81 : x
  2. Step 2: Convert to fraction form
    54,275.35/74,897.81 = 30,400.81/x
  3. Step 3: Cross multiply
    54,275.35x = 74,897.81 × 30,400.81
  4. Step 4: Simplify right side
    54,275.35x = 2,276,954,091.23
  5. Step 5: Solve for x
    x = 2,276,954,091.23/54,275.35
  6. Step 6: Final answer
    x = 41,951.90

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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.