Home / 48,645.77-72,968.78-13,585.73

Finding the Fourth Proportional to 48,645.77, 72,968.78 and 13,585.73

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Solution

The fourth proportional to 48,645.77, 72,968.78 and 13,585.73 is: 20,378.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,645.77 : 72,968.78 = 13,585.73 : x
  2. Step 2: Convert to fraction form
    48,645.77/72,968.78 = 13,585.73/x
  3. Step 3: Cross multiply
    48,645.77x = 72,968.78 × 13,585.73
  4. Step 4: Simplify right side
    48,645.77x = 991,333,812.63
  5. Step 5: Solve for x
    x = 991,333,812.63/48,645.77
  6. Step 6: Final answer
    x = 20,378.63

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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.