Home / 119,005.72-164,226.54-68,703.64

Finding the Fourth Proportional to 119,005.72, 164,226.54 and 68,703.64

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Solution

The fourth proportional to 119,005.72, 164,226.54 and 68,703.64 is: 94,810.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,005.72 : 164,226.54 = 68,703.64 : x
  2. Step 2: Convert to fraction form
    119,005.72/164,226.54 = 68,703.64/x
  3. Step 3: Cross multiply
    119,005.72x = 164,226.54 × 68,703.64
  4. Step 4: Simplify right side
    119,005.72x = 11,282,961,082.61
  5. Step 5: Solve for x
    x = 11,282,961,082.61/119,005.72
  6. Step 6: Final answer
    x = 94,810.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.