Home / 93,614.20-140,421.30-91,864.60

Finding the Fourth Proportional to 93,614.20, 140,421.30 and 91,864.60

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Solution

The fourth proportional to 93,614.20, 140,421.30 and 91,864.60 is: 137,796.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,614.20 : 140,421.30 = 91,864.60 : x
  2. Step 2: Convert to fraction form
    93,614.20/140,421.30 = 91,864.60/x
  3. Step 3: Cross multiply
    93,614.20x = 140,421.30 × 91,864.60
  4. Step 4: Simplify right side
    93,614.20x = 12,899,746,555.98
  5. Step 5: Solve for x
    x = 12,899,746,555.98/93,614.20
  6. Step 6: Final answer
    x = 137,796.90

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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.