Home / 48,693.16-67,175.20-28,539.84

Finding the Fourth Proportional to 48,693.16, 67,175.20 and 28,539.84

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Solution

The fourth proportional to 48,693.16, 67,175.20 and 28,539.84 is: 39,372.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,693.16 : 67,175.20 = 28,539.84 : x
  2. Step 2: Convert to fraction form
    48,693.16/67,175.20 = 28,539.84/x
  3. Step 3: Cross multiply
    48,693.16x = 67,175.20 × 28,539.84
  4. Step 4: Simplify right side
    48,693.16x = 1,917,169,459.97
  5. Step 5: Solve for x
    x = 1,917,169,459.97/48,693.16
  6. Step 6: Final answer
    x = 39,372.46

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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.