Home / 107,416.32-161,179.02-48,239.88

Finding the Fourth Proportional to 107,416.32, 161,179.02 and 48,239.88

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Solution

The fourth proportional to 107,416.32, 161,179.02 and 48,239.88 is: 72,384.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,416.32 : 161,179.02 = 48,239.88 : x
  2. Step 2: Convert to fraction form
    107,416.32/161,179.02 = 48,239.88/x
  3. Step 3: Cross multiply
    107,416.32x = 161,179.02 × 48,239.88
  4. Step 4: Simplify right side
    107,416.32x = 7,775,256,583.32
  5. Step 5: Solve for x
    x = 7,775,256,583.32/107,416.32
  6. Step 6: Final answer
    x = 72,384.31

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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.