Home / 74,981.69-103,464.60-48,160.57

Finding the Fourth Proportional to 74,981.69, 103,464.60 and 48,160.57

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Solution

The fourth proportional to 74,981.69, 103,464.60 and 48,160.57 is: 66,455.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,981.69 : 103,464.60 = 48,160.57 : x
  2. Step 2: Convert to fraction form
    74,981.69/103,464.60 = 48,160.57/x
  3. Step 3: Cross multiply
    74,981.69x = 103,464.60 × 48,160.57
  4. Step 4: Simplify right side
    74,981.69x = 4,982,913,593.50
  5. Step 5: Solve for x
    x = 4,982,913,593.50/74,981.69
  6. Step 6: Final answer
    x = 66,455.07

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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.