Home / 112,926.11-169,093.24-79,465.01

Finding the Fourth Proportional to 112,926.11, 169,093.24 and 79,465.01

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Solution

The fourth proportional to 112,926.11, 169,093.24 and 79,465.01 is: 118,989.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,926.11 : 169,093.24 = 79,465.01 : x
  2. Step 2: Convert to fraction form
    112,926.11/169,093.24 = 79,465.01/x
  3. Step 3: Cross multiply
    112,926.11x = 169,093.24 × 79,465.01
  4. Step 4: Simplify right side
    112,926.11x = 13,436,994,963.40
  5. Step 5: Solve for x
    x = 13,436,994,963.40/112,926.11
  6. Step 6: Final answer
    x = 118,989.27

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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.