Home / 89,139.12-133,568.04-32,901.84

Finding the Fourth Proportional to 89,139.12, 133,568.04 and 32,901.84

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Solution

The fourth proportional to 89,139.12, 133,568.04 and 32,901.84 is: 49,300.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,139.12 : 133,568.04 = 32,901.84 : x
  2. Step 2: Convert to fraction form
    89,139.12/133,568.04 = 32,901.84/x
  3. Step 3: Cross multiply
    89,139.12x = 133,568.04 × 32,901.84
  4. Step 4: Simplify right side
    89,139.12x = 4,394,634,281.19
  5. Step 5: Solve for x
    x = 4,394,634,281.19/89,139.12
  6. Step 6: Final answer
    x = 49,300.85

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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.