Home / 253,061.42-379,592.27-66,072.92

Finding the Fourth Proportional to 253,061.42, 379,592.27 and 66,072.92

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Solution

The fourth proportional to 253,061.42, 379,592.27 and 66,072.92 is: 99,109.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,061.42 : 379,592.27 = 66,072.92 : x
  2. Step 2: Convert to fraction form
    253,061.42/379,592.27 = 66,072.92/x
  3. Step 3: Cross multiply
    253,061.42x = 379,592.27 × 66,072.92
  4. Step 4: Simplify right side
    253,061.42x = 25,080,767,460.00
  5. Step 5: Solve for x
    x = 25,080,767,460.00/253,061.42
  6. Step 6: Final answer
    x = 99,109.41

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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.