Home / 123,431.10-185,108.28-44,535.06

Finding the Fourth Proportional to 123,431.10, 185,108.28 and 44,535.06

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Solution

The fourth proportional to 123,431.10, 185,108.28 and 44,535.06 is: 66,788.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,431.10 : 185,108.28 = 44,535.06 : x
  2. Step 2: Convert to fraction form
    123,431.10/185,108.28 = 44,535.06/x
  3. Step 3: Cross multiply
    123,431.10x = 185,108.28 × 44,535.06
  4. Step 4: Simplify right side
    123,431.10x = 8,243,808,356.30
  5. Step 5: Solve for x
    x = 8,243,808,356.30/123,431.10
  6. Step 6: Final answer
    x = 66,788.75

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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.