Home / 119,021.32-164,248.50-68,748.04

Finding the Fourth Proportional to 119,021.32, 164,248.50 and 68,748.04

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Solution

The fourth proportional to 119,021.32, 164,248.50 and 68,748.04 is: 94,871.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,021.32 : 164,248.50 = 68,748.04 : x
  2. Step 2: Convert to fraction form
    119,021.32/164,248.50 = 68,748.04/x
  3. Step 3: Cross multiply
    119,021.32x = 164,248.50 × 68,748.04
  4. Step 4: Simplify right side
    119,021.32x = 11,291,762,447.94
  5. Step 5: Solve for x
    x = 11,291,762,447.94/119,021.32
  6. Step 6: Final answer
    x = 94,871.76

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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.