Home / 52,859.58-72,946.15-28,986.64

Finding the Fourth Proportional to 52,859.58, 72,946.15 and 28,986.64

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Solution

The fourth proportional to 52,859.58, 72,946.15 and 28,986.64 is: 40,001.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,859.58 : 72,946.15 = 28,986.64 : x
  2. Step 2: Convert to fraction form
    52,859.58/72,946.15 = 28,986.64/x
  3. Step 3: Cross multiply
    52,859.58x = 72,946.15 × 28,986.64
  4. Step 4: Simplify right side
    52,859.58x = 2,114,463,789.44
  5. Step 5: Solve for x
    x = 2,114,463,789.44/52,859.58
  6. Step 6: Final answer
    x = 40,001.52

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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.