Home / 123,522.48-170,461.84-66,934.32

Finding the Fourth Proportional to 123,522.48, 170,461.84 and 66,934.32

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Solution

The fourth proportional to 123,522.48, 170,461.84 and 66,934.32 is: 92,369.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,522.48 : 170,461.84 = 66,934.32 : x
  2. Step 2: Convert to fraction form
    123,522.48/170,461.84 = 66,934.32/x
  3. Step 3: Cross multiply
    123,522.48x = 170,461.84 × 66,934.32
  4. Step 4: Simplify right side
    123,522.48x = 11,409,747,346.35
  5. Step 5: Solve for x
    x = 11,409,747,346.35/123,522.48
  6. Step 6: Final answer
    x = 92,369.80

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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.