Home / 67,664.10-101,502.55-18,416.10

Finding the Fourth Proportional to 67,664.10, 101,502.55 and 18,416.10

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Solution

The fourth proportional to 67,664.10, 101,502.55 and 18,416.10 is: 27,625.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,664.10 : 101,502.55 = 18,416.10 : x
  2. Step 2: Convert to fraction form
    67,664.10/101,502.55 = 18,416.10/x
  3. Step 3: Cross multiply
    67,664.10x = 101,502.55 × 18,416.10
  4. Step 4: Simplify right side
    67,664.10x = 1,869,281,111.06
  5. Step 5: Solve for x
    x = 1,869,281,111.06/67,664.10
  6. Step 6: Final answer
    x = 27,625.89

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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.