Home / 42,118.43-63,189.64-14,056.87

Finding the Fourth Proportional to 42,118.43, 63,189.64 and 14,056.87

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Solution

The fourth proportional to 42,118.43, 63,189.64 and 14,056.87 is: 21,089.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,118.43 : 63,189.64 = 14,056.87 : x
  2. Step 2: Convert to fraction form
    42,118.43/63,189.64 = 14,056.87/x
  3. Step 3: Cross multiply
    42,118.43x = 63,189.64 × 14,056.87
  4. Step 4: Simplify right side
    42,118.43x = 888,248,394.72
  5. Step 5: Solve for x
    x = 888,248,394.72/42,118.43
  6. Step 6: Final answer
    x = 21,089.30

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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.