Home / 107,018.88-160,530.08-40,490.32

Finding the Fourth Proportional to 107,018.88, 160,530.08 and 40,490.32

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Solution

The fourth proportional to 107,018.88, 160,530.08 and 40,490.32 is: 60,736.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,018.88 : 160,530.08 = 40,490.32 : x
  2. Step 2: Convert to fraction form
    107,018.88/160,530.08 = 40,490.32/x
  3. Step 3: Cross multiply
    107,018.88x = 160,530.08 × 40,490.32
  4. Step 4: Simplify right side
    107,018.88x = 6,499,914,308.83
  5. Step 5: Solve for x
    x = 6,499,914,308.83/107,018.88
  6. Step 6: Final answer
    x = 60,736.15

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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.