Home / 74,118.24-111,178.08-29,144.16

Finding the Fourth Proportional to 74,118.24, 111,178.08 and 29,144.16

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Solution

The fourth proportional to 74,118.24, 111,178.08 and 29,144.16 is: 43,716.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,118.24 : 111,178.08 = 29,144.16 : x
  2. Step 2: Convert to fraction form
    74,118.24/111,178.08 = 29,144.16/x
  3. Step 3: Cross multiply
    74,118.24x = 111,178.08 × 29,144.16
  4. Step 4: Simplify right side
    74,118.24x = 3,240,191,752.01
  5. Step 5: Solve for x
    x = 3,240,191,752.01/74,118.24
  6. Step 6: Final answer
    x = 43,716.52

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1.5x scale

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.