Home / 45,921.40-68,882.10-16,372.60

Finding the Fourth Proportional to 45,921.40, 68,882.10 and 16,372.60

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Solution

The fourth proportional to 45,921.40, 68,882.10 and 16,372.60 is: 24,558.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,921.40 : 68,882.10 = 16,372.60 : x
  2. Step 2: Convert to fraction form
    45,921.40/68,882.10 = 16,372.60/x
  3. Step 3: Cross multiply
    45,921.40x = 68,882.10 × 16,372.60
  4. Step 4: Simplify right side
    45,921.40x = 1,127,779,070.46
  5. Step 5: Solve for x
    x = 1,127,779,070.46/45,921.40
  6. Step 6: Final answer
    x = 24,558.90

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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.