Home / 75,459.13-104,133.53-41,469.81

Finding the Fourth Proportional to 75,459.13, 104,133.53 and 41,469.81

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Solution

The fourth proportional to 75,459.13, 104,133.53 and 41,469.81 is: 57,228.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,459.13 : 104,133.53 = 41,469.81 : x
  2. Step 2: Convert to fraction form
    75,459.13/104,133.53 = 41,469.81/x
  3. Step 3: Cross multiply
    75,459.13x = 104,133.53 × 41,469.81
  4. Step 4: Simplify right side
    75,459.13x = 4,318,397,416.90
  5. Step 5: Solve for x
    x = 4,318,397,416.90/75,459.13
  6. Step 6: Final answer
    x = 57,228.30

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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.