Home / 101,764.07-140,441.55-56,446.37

Finding the Fourth Proportional to 101,764.07, 140,441.55 and 56,446.37

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Solution

The fourth proportional to 101,764.07, 140,441.55 and 56,446.37 is: 77,899.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,764.07 : 140,441.55 = 56,446.37 : x
  2. Step 2: Convert to fraction form
    101,764.07/140,441.55 = 56,446.37/x
  3. Step 3: Cross multiply
    101,764.07x = 140,441.55 × 56,446.37
  4. Step 4: Simplify right side
    101,764.07x = 7,927,415,694.67
  5. Step 5: Solve for x
    x = 7,927,415,694.67/101,764.07
  6. Step 6: Final answer
    x = 77,899.95

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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.