Home / 112,982.94-169,475.40-28,743.18

Finding the Fourth Proportional to 112,982.94, 169,475.40 and 28,743.18

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Solution

The fourth proportional to 112,982.94, 169,475.40 and 28,743.18 is: 43,115.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,982.94 : 169,475.40 = 28,743.18 : x
  2. Step 2: Convert to fraction form
    112,982.94/169,475.40 = 28,743.18/x
  3. Step 3: Cross multiply
    112,982.94x = 169,475.40 × 28,743.18
  4. Step 4: Simplify right side
    112,982.94x = 4,871,261,927.77
  5. Step 5: Solve for x
    x = 4,871,261,927.77/112,982.94
  6. Step 6: Final answer
    x = 43,115.02

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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.