Home / 42,121.88-63,161.70-14,032.06

Finding the Fourth Proportional to 42,121.88, 63,161.70 and 14,032.06

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Solution

The fourth proportional to 42,121.88, 63,161.70 and 14,032.06 is: 21,041.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,121.88 : 63,161.70 = 14,032.06 : x
  2. Step 2: Convert to fraction form
    42,121.88/63,161.70 = 14,032.06/x
  3. Step 3: Cross multiply
    42,121.88x = 63,161.70 × 14,032.06
  4. Step 4: Simplify right side
    42,121.88x = 886,288,764.10
  5. Step 5: Solve for x
    x = 886,288,764.10/42,121.88
  6. Step 6: Final answer
    x = 21,041.05

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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.