Home / 109,395.72-164,158.16-46,211.75

Finding the Fourth Proportional to 109,395.72, 164,158.16 and 46,211.75

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Solution

The fourth proportional to 109,395.72, 164,158.16 and 46,211.75 is: 69,344.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,395.72 : 164,158.16 = 46,211.75 : x
  2. Step 2: Convert to fraction form
    109,395.72/164,158.16 = 46,211.75/x
  3. Step 3: Cross multiply
    109,395.72x = 164,158.16 × 46,211.75
  4. Step 4: Simplify right side
    109,395.72x = 7,586,034,798.53
  5. Step 5: Solve for x
    x = 7,586,034,798.53/109,395.72
  6. Step 6: Final answer
    x = 69,344.90

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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.