Home / 112,810.92-169,216.77-28,571.07

Finding the Fourth Proportional to 112,810.92, 169,216.77 and 28,571.07

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Solution

The fourth proportional to 112,810.92, 169,216.77 and 28,571.07 is: 42,856.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,810.92 : 169,216.77 = 28,571.07 : x
  2. Step 2: Convert to fraction form
    112,810.92/169,216.77 = 28,571.07/x
  3. Step 3: Cross multiply
    112,810.92x = 169,216.77 × 28,571.07
  4. Step 4: Simplify right side
    112,810.92x = 4,834,704,180.84
  5. Step 5: Solve for x
    x = 4,834,704,180.84/112,810.92
  6. Step 6: Final answer
    x = 42,856.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.