Home / 89,605.40-123,655.44-48,769.82

Finding the Fourth Proportional to 89,605.40, 123,655.44 and 48,769.82

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Solution

The fourth proportional to 89,605.40, 123,655.44 and 48,769.82 is: 67,302.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,605.40 : 123,655.44 = 48,769.82 : x
  2. Step 2: Convert to fraction form
    89,605.40/123,655.44 = 48,769.82/x
  3. Step 3: Cross multiply
    89,605.40x = 123,655.44 × 48,769.82
  4. Step 4: Simplify right side
    89,605.40x = 6,030,653,550.82
  5. Step 5: Solve for x
    x = 6,030,653,550.82/89,605.40
  6. Step 6: Final answer
    x = 67,302.35

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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.