Home / 52,791-72,848.10-28,917.96

Finding the Fourth Proportional to 52,791, 72,848.10 and 28,917.96

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Solution

The fourth proportional to 52,791, 72,848.10 and 28,917.96 is: 39,904.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,791 : 72,848.10 = 28,917.96 : x
  2. Step 2: Convert to fraction form
    52,791/72,848.10 = 28,917.96/x
  3. Step 3: Cross multiply
    52,791x = 72,848.10 × 28,917.96
  4. Step 4: Simplify right side
    52,791x = 2,106,618,441.88
  5. Step 5: Solve for x
    x = 2,106,618,441.88/52,791
  6. Step 6: Final answer
    x = 39,904.88

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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.