Home / 81,179.24-112,027.08-45,369.24

Finding the Fourth Proportional to 81,179.24, 112,027.08 and 45,369.24

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Solution

The fourth proportional to 81,179.24, 112,027.08 and 45,369.24 is: 62,609.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,179.24 : 112,027.08 = 45,369.24 : x
  2. Step 2: Convert to fraction form
    81,179.24/112,027.08 = 45,369.24/x
  3. Step 3: Cross multiply
    81,179.24x = 112,027.08 × 45,369.24
  4. Step 4: Simplify right side
    81,179.24x = 5,082,583,479.02
  5. Step 5: Solve for x
    x = 5,082,583,479.02/81,179.24
  6. Step 6: Final answer
    x = 62,609.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.