Home / 112,731.14-169,107.90-41,672.40

Finding the Fourth Proportional to 112,731.14, 169,107.90 and 41,672.40

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Solution

The fourth proportional to 112,731.14, 169,107.90 and 41,672.40 is: 62,512.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,731.14 : 169,107.90 = 41,672.40 : x
  2. Step 2: Convert to fraction form
    112,731.14/169,107.90 = 41,672.40/x
  3. Step 3: Cross multiply
    112,731.14x = 169,107.90 × 41,672.40
  4. Step 4: Simplify right side
    112,731.14x = 7,047,132,051.96
  5. Step 5: Solve for x
    x = 7,047,132,051.96/112,731.14
  6. Step 6: Final answer
    x = 62,512.74

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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.