Home / 85,123.06-127,679.73-32,537.86

Finding the Fourth Proportional to 85,123.06, 127,679.73 and 32,537.86

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Solution

The fourth proportional to 85,123.06, 127,679.73 and 32,537.86 is: 48,804.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,123.06 : 127,679.73 = 32,537.86 : x
  2. Step 2: Convert to fraction form
    85,123.06/127,679.73 = 32,537.86/x
  3. Step 3: Cross multiply
    85,123.06x = 127,679.73 × 32,537.86
  4. Step 4: Simplify right side
    85,123.06x = 4,154,425,179.58
  5. Step 5: Solve for x
    x = 4,154,425,179.58/85,123.06
  6. Step 6: Final answer
    x = 48,804.93

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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.