Home / 89,251.74-133,830.50-47,154.42

Finding the Fourth Proportional to 89,251.74, 133,830.50 and 47,154.42

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Solution

The fourth proportional to 89,251.74, 133,830.50 and 47,154.42 is: 70,706.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,251.74 : 133,830.50 = 47,154.42 : x
  2. Step 2: Convert to fraction form
    89,251.74/133,830.50 = 47,154.42/x
  3. Step 3: Cross multiply
    89,251.74x = 133,830.50 × 47,154.42
  4. Step 4: Simplify right side
    89,251.74x = 6,310,699,370.04
  5. Step 5: Solve for x
    x = 6,310,699,370.04/89,251.74
  6. Step 6: Final answer
    x = 70,706.74

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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.