Home / 51,566.90-71,166.67-28,905.53

Finding the Fourth Proportional to 51,566.90, 71,166.67 and 28,905.53

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Solution

The fourth proportional to 51,566.90, 71,166.67 and 28,905.53 is: 39,892.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,566.90 : 71,166.67 = 28,905.53 : x
  2. Step 2: Convert to fraction form
    51,566.90/71,166.67 = 28,905.53/x
  3. Step 3: Cross multiply
    51,566.90x = 71,166.67 × 28,905.53
  4. Step 4: Simplify right side
    51,566.90x = 2,057,109,886.59
  5. Step 5: Solve for x
    x = 2,057,109,886.59/51,566.90
  6. Step 6: Final answer
    x = 39,892.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.