Home / 89,599.20-123,624-51,851.04

Finding the Fourth Proportional to 89,599.20, 123,624 and 51,851.04

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Solution

The fourth proportional to 89,599.20, 123,624 and 51,851.04 is: 71,541.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,599.20 : 123,624 = 51,851.04 : x
  2. Step 2: Convert to fraction form
    89,599.20/123,624 = 51,851.04/x
  3. Step 3: Cross multiply
    89,599.20x = 123,624 × 51,851.04
  4. Step 4: Simplify right side
    89,599.20x = 6,410,032,968.96
  5. Step 5: Solve for x
    x = 6,410,032,968.96/89,599.20
  6. Step 6: Final answer
    x = 71,541.19

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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.