Home / 70,057.28-96,714.72-54,105.92

Finding the Fourth Proportional to 70,057.28, 96,714.72 and 54,105.92

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Solution

The fourth proportional to 70,057.28, 96,714.72 and 54,105.92 is: 74,693.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,057.28 : 96,714.72 = 54,105.92 : x
  2. Step 2: Convert to fraction form
    70,057.28/96,714.72 = 54,105.92/x
  3. Step 3: Cross multiply
    70,057.28x = 96,714.72 × 54,105.92
  4. Step 4: Simplify right side
    70,057.28x = 5,232,838,903.14
  5. Step 5: Solve for x
    x = 5,232,838,903.14/70,057.28
  6. Step 6: Final answer
    x = 74,693.72

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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.