Home / 49,116-67,777.74-28,973.64

Finding the Fourth Proportional to 49,116, 67,777.74 and 28,973.64

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Solution

The fourth proportional to 49,116, 67,777.74 and 28,973.64 is: 39,982.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,116 : 67,777.74 = 28,973.64 : x
  2. Step 2: Convert to fraction form
    49,116/67,777.74 = 28,973.64/x
  3. Step 3: Cross multiply
    49,116x = 67,777.74 × 28,973.64
  4. Step 4: Simplify right side
    49,116x = 1,963,767,838.77
  5. Step 5: Solve for x
    x = 1,963,767,838.77/49,116
  6. Step 6: Final answer
    x = 39,982.24

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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.