Home / 89,177.64-133,779.42-47,601.96

Finding the Fourth Proportional to 89,177.64, 133,779.42 and 47,601.96

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Solution

The fourth proportional to 89,177.64, 133,779.42 and 47,601.96 is: 71,409.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,177.64 : 133,779.42 = 47,601.96 : x
  2. Step 2: Convert to fraction form
    89,177.64/133,779.42 = 47,601.96/x
  3. Step 3: Cross multiply
    89,177.64x = 133,779.42 × 47,601.96
  4. Step 4: Simplify right side
    89,177.64x = 6,368,162,599.66
  5. Step 5: Solve for x
    x = 6,368,162,599.66/89,177.64
  6. Step 6: Final answer
    x = 71,409.86

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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.