Home / 128,687.48-193,030.60-32,624.72

Finding the Fourth Proportional to 128,687.48, 193,030.60 and 32,624.72

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Solution

The fourth proportional to 128,687.48, 193,030.60 and 32,624.72 is: 48,936.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,687.48 : 193,030.60 = 32,624.72 : x
  2. Step 2: Convert to fraction form
    128,687.48/193,030.60 = 32,624.72/x
  3. Step 3: Cross multiply
    128,687.48x = 193,030.60 × 32,624.72
  4. Step 4: Simplify right side
    128,687.48x = 6,297,569,276.43
  5. Step 5: Solve for x
    x = 6,297,569,276.43/128,687.48
  6. Step 6: Final answer
    x = 48,936.92

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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.