Home / 162,054.43-243,081.64-43,725.77

Finding the Fourth Proportional to 162,054.43, 243,081.64 and 43,725.77

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Solution

The fourth proportional to 162,054.43, 243,081.64 and 43,725.77 is: 65,588.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,054.43 : 243,081.64 = 43,725.77 : x
  2. Step 2: Convert to fraction form
    162,054.43/243,081.64 = 43,725.77/x
  3. Step 3: Cross multiply
    162,054.43x = 243,081.64 × 43,725.77
  4. Step 4: Simplify right side
    162,054.43x = 10,628,930,666.45
  5. Step 5: Solve for x
    x = 10,628,930,666.45/162,054.43
  6. Step 6: Final answer
    x = 65,588.65

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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.