Home / 112,506.60-168,779.34-45,982.92

Finding the Fourth Proportional to 112,506.60, 168,779.34 and 45,982.92

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Solution

The fourth proportional to 112,506.60, 168,779.34 and 45,982.92 is: 68,982.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,506.60 : 168,779.34 = 45,982.92 : x
  2. Step 2: Convert to fraction form
    112,506.60/168,779.34 = 45,982.92/x
  3. Step 3: Cross multiply
    112,506.60x = 168,779.34 × 45,982.92
  4. Step 4: Simplify right side
    112,506.60x = 7,760,966,888.87
  5. Step 5: Solve for x
    x = 7,760,966,888.87/112,506.60
  6. Step 6: Final answer
    x = 68,982.33

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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.