Home / 45,808.40-68,688.30-16,227.20

Finding the Fourth Proportional to 45,808.40, 68,688.30 and 16,227.20

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Solution

The fourth proportional to 45,808.40, 68,688.30 and 16,227.20 is: 24,332.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,808.40 : 68,688.30 = 16,227.20 : x
  2. Step 2: Convert to fraction form
    45,808.40/68,688.30 = 16,227.20/x
  3. Step 3: Cross multiply
    45,808.40x = 68,688.30 × 16,227.20
  4. Step 4: Simplify right side
    45,808.40x = 1,114,618,781.76
  5. Step 5: Solve for x
    x = 1,114,618,781.76/45,808.40
  6. Step 6: Final answer
    x = 24,332.19

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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.