Home / 75,856.40-113,799.21-29,105.63

Finding the Fourth Proportional to 75,856.40, 113,799.21 and 29,105.63

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Solution

The fourth proportional to 75,856.40, 113,799.21 and 29,105.63 is: 43,664.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,856.40 : 113,799.21 = 29,105.63 : x
  2. Step 2: Convert to fraction form
    75,856.40/113,799.21 = 29,105.63/x
  3. Step 3: Cross multiply
    75,856.40x = 113,799.21 × 29,105.63
  4. Step 4: Simplify right side
    75,856.40x = 3,312,197,700.55
  5. Step 5: Solve for x
    x = 3,312,197,700.55/75,856.40
  6. Step 6: Final answer
    x = 43,664.05

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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.