Home / 107,310.88-161,124.32-60,018.63

Finding the Fourth Proportional to 107,310.88, 161,124.32 and 60,018.63

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Solution

The fourth proportional to 107,310.88, 161,124.32 and 60,018.63 is: 90,116.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,310.88 : 161,124.32 = 60,018.63 : x
  2. Step 2: Convert to fraction form
    107,310.88/161,124.32 = 60,018.63/x
  3. Step 3: Cross multiply
    107,310.88x = 161,124.32 × 60,018.63
  4. Step 4: Simplify right side
    107,310.88x = 9,670,460,946.08
  5. Step 5: Solve for x
    x = 9,670,460,946.08/107,310.88
  6. Step 6: Final answer
    x = 90,116.31

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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.