Home / 112,983.24-169,474.10-28,742.68

Finding the Fourth Proportional to 112,983.24, 169,474.10 and 28,742.68

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Solution

The fourth proportional to 112,983.24, 169,474.10 and 28,742.68 is: 43,113.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,983.24 : 169,474.10 = 28,742.68 : x
  2. Step 2: Convert to fraction form
    112,983.24/169,474.10 = 28,742.68/x
  3. Step 3: Cross multiply
    112,983.24x = 169,474.10 × 28,742.68
  4. Step 4: Simplify right side
    112,983.24x = 4,871,139,824.59
  5. Step 5: Solve for x
    x = 4,871,139,824.59/112,983.24
  6. Step 6: Final answer
    x = 43,113.83

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1.5x scale

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.