Home / 117,425.64-162,048.04-63,710.76

Finding the Fourth Proportional to 117,425.64, 162,048.04 and 63,710.76

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Solution

The fourth proportional to 117,425.64, 162,048.04 and 63,710.76 is: 87,921.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,425.64 : 162,048.04 = 63,710.76 : x
  2. Step 2: Convert to fraction form
    117,425.64/162,048.04 = 63,710.76/x
  3. Step 3: Cross multiply
    117,425.64x = 162,048.04 × 63,710.76
  4. Step 4: Simplify right side
    117,425.64x = 10,324,203,784.91
  5. Step 5: Solve for x
    x = 10,324,203,784.91/117,425.64
  6. Step 6: Final answer
    x = 87,921.21

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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.