Home / 123,515.90-185,322.45-48,623.30

Finding the Fourth Proportional to 123,515.90, 185,322.45 and 48,623.30

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Solution

The fourth proportional to 123,515.90, 185,322.45 and 48,623.30 is: 72,954.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,515.90 : 185,322.45 = 48,623.30 : x
  2. Step 2: Convert to fraction form
    123,515.90/185,322.45 = 48,623.30/x
  3. Step 3: Cross multiply
    123,515.90x = 185,322.45 × 48,623.30
  4. Step 4: Simplify right side
    123,515.90x = 9,010,989,083.09
  5. Step 5: Solve for x
    x = 9,010,989,083.09/123,515.90
  6. Step 6: Final answer
    x = 72,954.08

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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.