Home / 89,240.67-123,153.08-48,954.51

Finding the Fourth Proportional to 89,240.67, 123,153.08 and 48,954.51

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Solution

The fourth proportional to 89,240.67, 123,153.08 and 48,954.51 is: 67,557.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,240.67 : 123,153.08 = 48,954.51 : x
  2. Step 2: Convert to fraction form
    89,240.67/123,153.08 = 48,954.51/x
  3. Step 3: Cross multiply
    89,240.67x = 123,153.08 × 48,954.51
  4. Step 4: Simplify right side
    89,240.67x = 6,028,898,441.62
  5. Step 5: Solve for x
    x = 6,028,898,441.62/89,240.67
  6. Step 6: Final answer
    x = 67,557.75

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1.5x scale

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.