Home / 85,819.50-118,438.20-48,101.04

Finding the Fourth Proportional to 85,819.50, 118,438.20 and 48,101.04

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Solution

The fourth proportional to 85,819.50, 118,438.20 and 48,101.04 is: 66,383.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,819.50 : 118,438.20 = 48,101.04 : x
  2. Step 2: Convert to fraction form
    85,819.50/118,438.20 = 48,101.04/x
  3. Step 3: Cross multiply
    85,819.50x = 118,438.20 × 48,101.04
  4. Step 4: Simplify right side
    85,819.50x = 5,697,000,595.73
  5. Step 5: Solve for x
    x = 5,697,000,595.73/85,819.50
  6. Step 6: Final answer
    x = 66,383.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.