Home / 86,633.52-119,574-56,365.44

Finding the Fourth Proportional to 86,633.52, 119,574 and 56,365.44

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Solution

The fourth proportional to 86,633.52, 119,574 and 56,365.44 is: 77,797.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,633.52 : 119,574 = 56,365.44 : x
  2. Step 2: Convert to fraction form
    86,633.52/119,574 = 56,365.44/x
  3. Step 3: Cross multiply
    86,633.52x = 119,574 × 56,365.44
  4. Step 4: Simplify right side
    86,633.52x = 6,739,841,122.56
  5. Step 5: Solve for x
    x = 6,739,841,122.56/86,633.52
  6. Step 6: Final answer
    x = 77,797.15

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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.