Home / 119,499.48-164,890-68,502.84

Finding the Fourth Proportional to 119,499.48, 164,890 and 68,502.84

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Solution

The fourth proportional to 119,499.48, 164,890 and 68,502.84 is: 94,522.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,499.48 : 164,890 = 68,502.84 : x
  2. Step 2: Convert to fraction form
    119,499.48/164,890 = 68,502.84/x
  3. Step 3: Cross multiply
    119,499.48x = 164,890 × 68,502.84
  4. Step 4: Simplify right side
    119,499.48x = 11,295,433,287.60
  5. Step 5: Solve for x
    x = 11,295,433,287.60/119,499.48
  6. Step 6: Final answer
    x = 94,522.87

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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.