Home / 89,521.00-123,539.81-48,685.50

Finding the Fourth Proportional to 89,521.00, 123,539.81 and 48,685.50

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Solution

The fourth proportional to 89,521.00, 123,539.81 and 48,685.50 is: 67,186.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,521.00 : 123,539.81 = 48,685.50 : x
  2. Step 2: Convert to fraction form
    89,521.00/123,539.81 = 48,685.50/x
  3. Step 3: Cross multiply
    89,521.00x = 123,539.81 × 48,685.50
  4. Step 4: Simplify right side
    89,521.00x = 6,014,597,176.33
  5. Step 5: Solve for x
    x = 6,014,597,176.33/89,521.00
  6. Step 6: Final answer
    x = 67,186.44

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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.