Home / 75,448.70-104,118.69-41,457.55

Finding the Fourth Proportional to 75,448.70, 104,118.69 and 41,457.55

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Solution

The fourth proportional to 75,448.70, 104,118.69 and 41,457.55 is: 57,211.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,448.70 : 104,118.69 = 41,457.55 : x
  2. Step 2: Convert to fraction form
    75,448.70/104,118.69 = 41,457.55/x
  3. Step 3: Cross multiply
    75,448.70x = 104,118.69 × 41,457.55
  4. Step 4: Simplify right side
    75,448.70x = 4,316,505,796.61
  5. Step 5: Solve for x
    x = 4,316,505,796.61/75,448.70
  6. Step 6: Final answer
    x = 57,211.14

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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.