Home / 123,614.10-185,384.70-48,709.35

Finding the Fourth Proportional to 123,614.10, 185,384.70 and 48,709.35

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Solution

The fourth proportional to 123,614.10, 185,384.70 and 48,709.35 is: 73,049.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,614.10 : 185,384.70 = 48,709.35 : x
  2. Step 2: Convert to fraction form
    123,614.10/185,384.70 = 48,709.35/x
  3. Step 3: Cross multiply
    123,614.10x = 185,384.70 × 48,709.35
  4. Step 4: Simplify right side
    123,614.10x = 9,029,968,236.95
  5. Step 5: Solve for x
    x = 9,029,968,236.95/123,614.10
  6. Step 6: Final answer
    x = 73,049.66

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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.