Home / 61,636.08-85,051.56-35,785.68

Finding the Fourth Proportional to 61,636.08, 85,051.56 and 35,785.68

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Solution

The fourth proportional to 61,636.08, 85,051.56 and 35,785.68 is: 49,380.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,636.08 : 85,051.56 = 35,785.68 : x
  2. Step 2: Convert to fraction form
    61,636.08/85,051.56 = 35,785.68/x
  3. Step 3: Cross multiply
    61,636.08x = 85,051.56 × 35,785.68
  4. Step 4: Simplify right side
    61,636.08x = 3,043,627,909.66
  5. Step 5: Solve for x
    x = 3,043,627,909.66/61,636.08
  6. Step 6: Final answer
    x = 49,380.62

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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.