Home / 75,679.83-104,438.15-43,867.18

Finding the Fourth Proportional to 75,679.83, 104,438.15 and 43,867.18

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Solution

The fourth proportional to 75,679.83, 104,438.15 and 43,867.18 is: 60,536.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,679.83 : 104,438.15 = 43,867.18 : x
  2. Step 2: Convert to fraction form
    75,679.83/104,438.15 = 43,867.18/x
  3. Step 3: Cross multiply
    75,679.83x = 104,438.15 × 43,867.18
  4. Step 4: Simplify right side
    75,679.83x = 4,581,407,124.92
  5. Step 5: Solve for x
    x = 4,581,407,124.92/75,679.83
  6. Step 6: Final answer
    x = 60,536.70

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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.