Home / 42,113.20-63,181.16-14,037.72

Finding the Fourth Proportional to 42,113.20, 63,181.16 and 14,037.72

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Solution

The fourth proportional to 42,113.20, 63,181.16 and 14,037.72 is: 21,060.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,113.20 : 63,181.16 = 14,037.72 : x
  2. Step 2: Convert to fraction form
    42,113.20/63,181.16 = 14,037.72/x
  3. Step 3: Cross multiply
    42,113.20x = 63,181.16 × 14,037.72
  4. Step 4: Simplify right side
    42,113.20x = 886,919,433.36
  5. Step 5: Solve for x
    x = 886,919,433.36/42,113.20
  6. Step 6: Final answer
    x = 21,060.37

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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.