Home / 99,280.52-148,779.42-49,311.64

Finding the Fourth Proportional to 99,280.52, 148,779.42 and 49,311.64

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Solution

The fourth proportional to 99,280.52, 148,779.42 and 49,311.64 is: 73,897.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,280.52 : 148,779.42 = 49,311.64 : x
  2. Step 2: Convert to fraction form
    99,280.52/148,779.42 = 49,311.64/x
  3. Step 3: Cross multiply
    99,280.52x = 148,779.42 × 49,311.64
  4. Step 4: Simplify right side
    99,280.52x = 7,336,557,198.45
  5. Step 5: Solve for x
    x = 7,336,557,198.45/99,280.52
  6. Step 6: Final answer
    x = 73,897.25

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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.