Home / 63,186.53-94,748.10-21,051.79

Finding the Fourth Proportional to 63,186.53, 94,748.10 and 21,051.79

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Solution

The fourth proportional to 63,186.53, 94,748.10 and 21,051.79 is: 31,567.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,186.53 : 94,748.10 = 21,051.79 : x
  2. Step 2: Convert to fraction form
    63,186.53/94,748.10 = 21,051.79/x
  3. Step 3: Cross multiply
    63,186.53x = 94,748.10 × 21,051.79
  4. Step 4: Simplify right side
    63,186.53x = 1,994,616,998.84
  5. Step 5: Solve for x
    x = 1,994,616,998.84/63,186.53
  6. Step 6: Final answer
    x = 31,567.12

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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.