Home / 75,000.32-103,496.64-41,459.84

Finding the Fourth Proportional to 75,000.32, 103,496.64 and 41,459.84

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Solution

The fourth proportional to 75,000.32, 103,496.64 and 41,459.84 is: 57,212.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,000.32 : 103,496.64 = 41,459.84 : x
  2. Step 2: Convert to fraction form
    75,000.32/103,496.64 = 41,459.84/x
  3. Step 3: Cross multiply
    75,000.32x = 103,496.64 × 41,459.84
  4. Step 4: Simplify right side
    75,000.32x = 4,290,954,134.94
  5. Step 5: Solve for x
    x = 4,290,954,134.94/75,000.32
  6. Step 6: Final answer
    x = 57,212.48

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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.