Home / 86,764.48-119,748.56-52,783.52

Finding the Fourth Proportional to 86,764.48, 119,748.56 and 52,783.52

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Solution

The fourth proportional to 86,764.48, 119,748.56 and 52,783.52 is: 72,849.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,764.48 : 119,748.56 = 52,783.52 : x
  2. Step 2: Convert to fraction form
    86,764.48/119,748.56 = 52,783.52/x
  3. Step 3: Cross multiply
    86,764.48x = 119,748.56 × 52,783.52
  4. Step 4: Simplify right side
    86,764.48x = 6,320,750,511.73
  5. Step 5: Solve for x
    x = 6,320,750,511.73/86,764.48
  6. Step 6: Final answer
    x = 72,849.52

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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.