Home / 74,913.05-112,424.86-35,470.10

Finding the Fourth Proportional to 74,913.05, 112,424.86 and 35,470.10

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Solution

The fourth proportional to 74,913.05, 112,424.86 and 35,470.10 is: 53,231.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,913.05 : 112,424.86 = 35,470.10 : x
  2. Step 2: Convert to fraction form
    74,913.05/112,424.86 = 35,470.10/x
  3. Step 3: Cross multiply
    74,913.05x = 112,424.86 × 35,470.10
  4. Step 4: Simplify right side
    74,913.05x = 3,987,721,352.09
  5. Step 5: Solve for x
    x = 3,987,721,352.09/74,913.05
  6. Step 6: Final answer
    x = 53,231.33

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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.