Home / 48,918.64-67,503.90-28,776.28

Finding the Fourth Proportional to 48,918.64, 67,503.90 and 28,776.28

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Solution

The fourth proportional to 48,918.64, 67,503.90 and 28,776.28 is: 39,709.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,918.64 : 67,503.90 = 28,776.28 : x
  2. Step 2: Convert to fraction form
    48,918.64/67,503.90 = 28,776.28/x
  3. Step 3: Cross multiply
    48,918.64x = 67,503.90 × 28,776.28
  4. Step 4: Simplify right side
    48,918.64x = 1,942,511,127.49
  5. Step 5: Solve for x
    x = 1,942,511,127.49/48,918.64
  6. Step 6: Final answer
    x = 39,709.02

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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.