Home / 74,872.39-103,286.59-44,636.40

Finding the Fourth Proportional to 74,872.39, 103,286.59 and 44,636.40

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Solution

The fourth proportional to 74,872.39, 103,286.59 and 44,636.40 is: 61,575.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,872.39 : 103,286.59 = 44,636.40 : x
  2. Step 2: Convert to fraction form
    74,872.39/103,286.59 = 44,636.40/x
  3. Step 3: Cross multiply
    74,872.39x = 103,286.59 × 44,636.40
  4. Step 4: Simplify right side
    74,872.39x = 4,610,341,545.88
  5. Step 5: Solve for x
    x = 4,610,341,545.88/74,872.39
  6. Step 6: Final answer
    x = 61,575.99

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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.