Home / 89,182.80-133,774.20-47,046.60

Finding the Fourth Proportional to 89,182.80, 133,774.20 and 47,046.60

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Solution

The fourth proportional to 89,182.80, 133,774.20 and 47,046.60 is: 70,569.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,182.80 : 133,774.20 = 47,046.60 : x
  2. Step 2: Convert to fraction form
    89,182.80/133,774.20 = 47,046.60/x
  3. Step 3: Cross multiply
    89,182.80x = 133,774.20 × 47,046.60
  4. Step 4: Simplify right side
    89,182.80x = 6,293,621,277.72
  5. Step 5: Solve for x
    x = 6,293,621,277.72/89,182.80
  6. Step 6: Final answer
    x = 70,569.90

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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.