Home / 123,460.53-170,374.64-66,871.50

Finding the Fourth Proportional to 123,460.53, 170,374.64 and 66,871.50

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Solution

The fourth proportional to 123,460.53, 170,374.64 and 66,871.50 is: 92,282.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,460.53 : 170,374.64 = 66,871.50 : x
  2. Step 2: Convert to fraction form
    123,460.53/170,374.64 = 66,871.50/x
  3. Step 3: Cross multiply
    123,460.53x = 170,374.64 × 66,871.50
  4. Step 4: Simplify right side
    123,460.53x = 11,393,207,404.40
  5. Step 5: Solve for x
    x = 11,393,207,404.40/123,460.53
  6. Step 6: Final answer
    x = 92,282.18

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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.