Home / 85,121.96-127,691.58-32,575.64

Finding the Fourth Proportional to 85,121.96, 127,691.58 and 32,575.64

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Solution

The fourth proportional to 85,121.96, 127,691.58 and 32,575.64 is: 48,866.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,121.96 : 127,691.58 = 32,575.64 : x
  2. Step 2: Convert to fraction form
    85,121.96/127,691.58 = 32,575.64/x
  3. Step 3: Cross multiply
    85,121.96x = 127,691.58 × 32,575.64
  4. Step 4: Simplify right side
    85,121.96x = 4,159,634,941.11
  5. Step 5: Solve for x
    x = 4,159,634,941.11/85,121.96
  6. Step 6: Final answer
    x = 48,866.77

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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.