Home / 48,829.05-67,385.99-28,685.75

Finding the Fourth Proportional to 48,829.05, 67,385.99 and 28,685.75

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Solution

The fourth proportional to 48,829.05, 67,385.99 and 28,685.75 is: 39,587.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,829.05 : 67,385.99 = 28,685.75 : x
  2. Step 2: Convert to fraction form
    48,829.05/67,385.99 = 28,685.75/x
  3. Step 3: Cross multiply
    48,829.05x = 67,385.99 × 28,685.75
  4. Step 4: Simplify right side
    48,829.05x = 1,933,017,397.43
  5. Step 5: Solve for x
    x = 1,933,017,397.43/48,829.05
  6. Step 6: Final answer
    x = 39,587.45

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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.