Home / 86,495.31-129,748.46-36,566.10

Finding the Fourth Proportional to 86,495.31, 129,748.46 and 36,566.10

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Solution

The fourth proportional to 86,495.31, 129,748.46 and 36,566.10 is: 54,851.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,495.31 : 129,748.46 = 36,566.10 : x
  2. Step 2: Convert to fraction form
    86,495.31/129,748.46 = 36,566.10/x
  3. Step 3: Cross multiply
    86,495.31x = 129,748.46 × 36,566.10
  4. Step 4: Simplify right side
    86,495.31x = 4,744,394,980.38
  5. Step 5: Solve for x
    x = 4,744,394,980.38/86,495.31
  6. Step 6: Final answer
    x = 54,851.47

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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.