Home / 89,542.84-123,569.72-48,706.96

Finding the Fourth Proportional to 89,542.84, 123,569.72 and 48,706.96

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Solution

The fourth proportional to 89,542.84, 123,569.72 and 48,706.96 is: 67,215.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,542.84 : 123,569.72 = 48,706.96 : x
  2. Step 2: Convert to fraction form
    89,542.84/123,569.72 = 48,706.96/x
  3. Step 3: Cross multiply
    89,542.84x = 123,569.72 × 48,706.96
  4. Step 4: Simplify right side
    89,542.84x = 6,018,705,409.25
  5. Step 5: Solve for x
    x = 6,018,705,409.25/89,542.84
  6. Step 6: Final answer
    x = 67,215.93

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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.