Home / 75,664.22-113,492.01-28,921.82

Finding the Fourth Proportional to 75,664.22, 113,492.01 and 28,921.82

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Solution

The fourth proportional to 75,664.22, 113,492.01 and 28,921.82 is: 43,381.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,664.22 : 113,492.01 = 28,921.82 : x
  2. Step 2: Convert to fraction form
    75,664.22/113,492.01 = 28,921.82/x
  3. Step 3: Cross multiply
    75,664.22x = 113,492.01 × 28,921.82
  4. Step 4: Simplify right side
    75,664.22x = 3,282,395,484.66
  5. Step 5: Solve for x
    x = 3,282,395,484.66/75,664.22
  6. Step 6: Final answer
    x = 43,381.08

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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.