Home / 118,475.56-163,496.26-64,760.79

Finding the Fourth Proportional to 118,475.56, 163,496.26 and 64,760.79

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Solution

The fourth proportional to 118,475.56, 163,496.26 and 64,760.79 is: 89,369.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,475.56 : 163,496.26 = 64,760.79 : x
  2. Step 2: Convert to fraction form
    118,475.56/163,496.26 = 64,760.79/x
  3. Step 3: Cross multiply
    118,475.56x = 163,496.26 × 64,760.79
  4. Step 4: Simplify right side
    118,475.56x = 10,588,146,369.76
  5. Step 5: Solve for x
    x = 10,588,146,369.76/118,475.56
  6. Step 6: Final answer
    x = 89,369.88

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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.