Home / 101,682.27-140,329.94-56,374.47

Finding the Fourth Proportional to 101,682.27, 140,329.94 and 56,374.47

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Solution

The fourth proportional to 101,682.27, 140,329.94 and 56,374.47 is: 77,801.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,682.27 : 140,329.94 = 56,374.47 : x
  2. Step 2: Convert to fraction form
    101,682.27/140,329.94 = 56,374.47/x
  3. Step 3: Cross multiply
    101,682.27x = 140,329.94 × 56,374.47
  4. Step 4: Simplify right side
    101,682.27x = 7,911,025,710.76
  5. Step 5: Solve for x
    x = 7,911,025,710.76/101,682.27
  6. Step 6: Final answer
    x = 77,801.43

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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.