Home / 118,049.30-162,903.27-64,333.16

Finding the Fourth Proportional to 118,049.30, 162,903.27 and 64,333.16

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Solution

The fourth proportional to 118,049.30, 162,903.27 and 64,333.16 is: 88,777.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,049.30 : 162,903.27 = 64,333.16 : x
  2. Step 2: Convert to fraction form
    118,049.30/162,903.27 = 64,333.16/x
  3. Step 3: Cross multiply
    118,049.30x = 162,903.27 × 64,333.16
  4. Step 4: Simplify right side
    118,049.30x = 10,480,081,318.92
  5. Step 5: Solve for x
    x = 10,480,081,318.92/118,049.30
  6. Step 6: Final answer
    x = 88,777.16

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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.