Home / 123,815.90-185,772.45-48,923.30

Finding the Fourth Proportional to 123,815.90, 185,772.45 and 48,923.30

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Solution

The fourth proportional to 123,815.90, 185,772.45 and 48,923.30 is: 73,404.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,815.90 : 185,772.45 = 48,923.30 : x
  2. Step 2: Convert to fraction form
    123,815.90/185,772.45 = 48,923.30/x
  3. Step 3: Cross multiply
    123,815.90x = 185,772.45 × 48,923.30
  4. Step 4: Simplify right side
    123,815.90x = 9,088,601,303.09
  5. Step 5: Solve for x
    x = 9,088,601,303.09/123,815.90
  6. Step 6: Final answer
    x = 73,404.15

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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.