Home / 112,645.92-168,962.40-37,763.04

Finding the Fourth Proportional to 112,645.92, 168,962.40 and 37,763.04

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Solution

The fourth proportional to 112,645.92, 168,962.40 and 37,763.04 is: 56,642.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,645.92 : 168,962.40 = 37,763.04 : x
  2. Step 2: Convert to fraction form
    112,645.92/168,962.40 = 37,763.04/x
  3. Step 3: Cross multiply
    112,645.92x = 168,962.40 × 37,763.04
  4. Step 4: Simplify right side
    112,645.92x = 6,380,533,869.70
  5. Step 5: Solve for x
    x = 6,380,533,869.70/112,645.92
  6. Step 6: Final answer
    x = 56,642.39

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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.