Home / 120,433.62-180,554.02-57,222.02

Finding the Fourth Proportional to 120,433.62, 180,554.02 and 57,222.02

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Solution

The fourth proportional to 120,433.62, 180,554.02 and 57,222.02 is: 85,787.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,433.62 : 180,554.02 = 57,222.02 : x
  2. Step 2: Convert to fraction form
    120,433.62/180,554.02 = 57,222.02/x
  3. Step 3: Cross multiply
    120,433.62x = 180,554.02 × 57,222.02
  4. Step 4: Simplify right side
    120,433.62x = 10,331,665,743.52
  5. Step 5: Solve for x
    x = 10,331,665,743.52/120,433.62
  6. Step 6: Final answer
    x = 85,787.22

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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.