Home / 112,466.51-168,616.43-68,082.77

Finding the Fourth Proportional to 112,466.51, 168,616.43 and 68,082.77

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Solution

The fourth proportional to 112,466.51, 168,616.43 and 68,082.77 is: 102,073.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,466.51 : 168,616.43 = 68,082.77 : x
  2. Step 2: Convert to fraction form
    112,466.51/168,616.43 = 68,082.77/x
  3. Step 3: Cross multiply
    112,466.51x = 168,616.43 × 68,082.77
  4. Step 4: Simplify right side
    112,466.51x = 11,479,872,438.42
  5. Step 5: Solve for x
    x = 11,479,872,438.42/112,466.51
  6. Step 6: Final answer
    x = 102,073.70

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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.