Home / 112,472.51-168,625.42-68,088.77

Finding the Fourth Proportional to 112,472.51, 168,625.42 and 68,088.77

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Solution

The fourth proportional to 112,472.51, 168,625.42 and 68,088.77 is: 102,082.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,472.51 : 168,625.42 = 68,088.77 : x
  2. Step 2: Convert to fraction form
    112,472.51/168,625.42 = 68,088.77/x
  3. Step 3: Cross multiply
    112,472.51x = 168,625.42 × 68,088.77
  4. Step 4: Simplify right side
    112,472.51x = 11,481,497,438.53
  5. Step 5: Solve for x
    x = 11,481,497,438.53/112,472.51
  6. Step 6: Final answer
    x = 102,082.70

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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.