Home / 48,967.68-67,580.72-28,829.48

Finding the Fourth Proportional to 48,967.68, 67,580.72 and 28,829.48

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Solution

The fourth proportional to 48,967.68, 67,580.72 and 28,829.48 is: 39,787.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,967.68 : 67,580.72 = 28,829.48 : x
  2. Step 2: Convert to fraction form
    48,967.68/67,580.72 = 28,829.48/x
  3. Step 3: Cross multiply
    48,967.68x = 67,580.72 × 28,829.48
  4. Step 4: Simplify right side
    48,967.68x = 1,948,317,015.63
  5. Step 5: Solve for x
    x = 1,948,317,015.63/48,967.68
  6. Step 6: Final answer
    x = 39,787.82

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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.