Home / 112,924.50-169,442.04-79,857.06

Finding the Fourth Proportional to 112,924.50, 169,442.04 and 79,857.06

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Solution

The fourth proportional to 112,924.50, 169,442.04 and 79,857.06 is: 119,824.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,924.50 : 169,442.04 = 79,857.06 : x
  2. Step 2: Convert to fraction form
    112,924.50/169,442.04 = 79,857.06/x
  3. Step 3: Cross multiply
    112,924.50x = 169,442.04 × 79,857.06
  4. Step 4: Simplify right side
    112,924.50x = 13,531,143,154.80
  5. Step 5: Solve for x
    x = 13,531,143,154.80/112,924.50
  6. Step 6: Final answer
    x = 119,824.69

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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.