Home / 89,433.67-123,412.65-51,193.53

Finding the Fourth Proportional to 89,433.67, 123,412.65 and 51,193.53

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Solution

The fourth proportional to 89,433.67, 123,412.65 and 51,193.53 is: 70,643.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,433.67 : 123,412.65 = 51,193.53 : x
  2. Step 2: Convert to fraction form
    89,433.67/123,412.65 = 51,193.53/x
  3. Step 3: Cross multiply
    89,433.67x = 123,412.65 × 51,193.53
  4. Step 4: Simplify right side
    89,433.67x = 6,317,929,200.15
  5. Step 5: Solve for x
    x = 6,317,929,200.15/89,433.67
  6. Step 6: Final answer
    x = 70,643.74

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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.