Home / 112,524.45-168,869.63-53,360.29

Finding the Fourth Proportional to 112,524.45, 168,869.63 and 53,360.29

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Solution

The fourth proportional to 112,524.45, 168,869.63 and 53,360.29 is: 80,079.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,524.45 : 168,869.63 = 53,360.29 : x
  2. Step 2: Convert to fraction form
    112,524.45/168,869.63 = 53,360.29/x
  3. Step 3: Cross multiply
    112,524.45x = 168,869.63 × 53,360.29
  4. Step 4: Simplify right side
    112,524.45x = 9,010,932,428.99
  5. Step 5: Solve for x
    x = 9,010,932,428.99/112,524.45
  6. Step 6: Final answer
    x = 80,079.77

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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.