Home / 93,619.88-140,305.62-40,972.04

Finding the Fourth Proportional to 93,619.88, 140,305.62 and 40,972.04

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Solution

The fourth proportional to 93,619.88, 140,305.62 and 40,972.04 is: 61,403.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,619.88 : 140,305.62 = 40,972.04 : x
  2. Step 2: Convert to fraction form
    93,619.88/140,305.62 = 40,972.04/x
  3. Step 3: Cross multiply
    93,619.88x = 140,305.62 × 40,972.04
  4. Step 4: Simplify right side
    93,619.88x = 5,748,607,474.86
  5. Step 5: Solve for x
    x = 5,748,607,474.86/93,619.88
  6. Step 6: Final answer
    x = 61,403.70

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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.