Home / 74,815.44-112,264.47-30,473.41

Finding the Fourth Proportional to 74,815.44, 112,264.47 and 30,473.41

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Solution

The fourth proportional to 74,815.44, 112,264.47 and 30,473.41 is: 45,726.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,815.44 : 112,264.47 = 30,473.41 : x
  2. Step 2: Convert to fraction form
    74,815.44/112,264.47 = 30,473.41/x
  3. Step 3: Cross multiply
    74,815.44x = 112,264.47 × 30,473.41
  4. Step 4: Simplify right side
    74,815.44x = 3,421,081,222.74
  5. Step 5: Solve for x
    x = 3,421,081,222.74/74,815.44
  6. Step 6: Final answer
    x = 45,726.94

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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.