Home / 93,531.68-140,310.21-30,331.19

Finding the Fourth Proportional to 93,531.68, 140,310.21 and 30,331.19

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Solution

The fourth proportional to 93,531.68, 140,310.21 and 30,331.19 is: 45,500.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,531.68 : 140,310.21 = 30,331.19 : x
  2. Step 2: Convert to fraction form
    93,531.68/140,310.21 = 30,331.19/x
  3. Step 3: Cross multiply
    93,531.68x = 140,310.21 × 30,331.19
  4. Step 4: Simplify right side
    93,531.68x = 4,255,774,936.90
  5. Step 5: Solve for x
    x = 4,255,774,936.90/93,531.68
  6. Step 6: Final answer
    x = 45,500.90

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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.