Home / 112,383.90-168,575.22-45,823.77

Finding the Fourth Proportional to 112,383.90, 168,575.22 and 45,823.77

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Solution

The fourth proportional to 112,383.90, 168,575.22 and 45,823.77 is: 68,735.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,383.90 : 168,575.22 = 45,823.77 : x
  2. Step 2: Convert to fraction form
    112,383.90/168,575.22 = 45,823.77/x
  3. Step 3: Cross multiply
    112,383.90x = 168,575.22 × 45,823.77
  4. Step 4: Simplify right side
    112,383.90x = 7,724,752,108.98
  5. Step 5: Solve for x
    x = 7,724,752,108.98/112,383.90
  6. Step 6: Final answer
    x = 68,735.40

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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.