Home / 29,134.65-43,705.35-9,415.20

Finding the Fourth Proportional to 29,134.65, 43,705.35 and 9,415.20

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Solution

The fourth proportional to 29,134.65, 43,705.35 and 9,415.20 is: 14,123.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,134.65 : 43,705.35 = 9,415.20 : x
  2. Step 2: Convert to fraction form
    29,134.65/43,705.35 = 9,415.20/x
  3. Step 3: Cross multiply
    29,134.65x = 43,705.35 × 9,415.20
  4. Step 4: Simplify right side
    29,134.65x = 411,494,611.32
  5. Step 5: Solve for x
    x = 411,494,611.32/29,134.65
  6. Step 6: Final answer
    x = 14,123.89

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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.