Home / 42,209.74-63,317.94-14,129.96

Finding the Fourth Proportional to 42,209.74, 63,317.94 and 14,129.96

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Solution

The fourth proportional to 42,209.74, 63,317.94 and 14,129.96 is: 21,196.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,209.74 : 63,317.94 = 14,129.96 : x
  2. Step 2: Convert to fraction form
    42,209.74/63,317.94 = 14,129.96/x
  3. Step 3: Cross multiply
    42,209.74x = 63,317.94 × 14,129.96
  4. Step 4: Simplify right side
    42,209.74x = 894,679,959.48
  5. Step 5: Solve for x
    x = 894,679,959.48/42,209.74
  6. Step 6: Final answer
    x = 21,196.05

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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.