Home / 74,919.04-103,386.88-41,384.32

Finding the Fourth Proportional to 74,919.04, 103,386.88 and 41,384.32

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Solution

The fourth proportional to 74,919.04, 103,386.88 and 41,384.32 is: 57,109.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,919.04 : 103,386.88 = 41,384.32 : x
  2. Step 2: Convert to fraction form
    74,919.04/103,386.88 = 41,384.32/x
  3. Step 3: Cross multiply
    74,919.04x = 103,386.88 × 41,384.32
  4. Step 4: Simplify right side
    74,919.04x = 4,278,595,725.72
  5. Step 5: Solve for x
    x = 4,278,595,725.72/74,919.04
  6. Step 6: Final answer
    x = 57,109.59

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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.