Home / 89,599.29-123,644.40-49,313.04

Finding the Fourth Proportional to 89,599.29, 123,644.40 and 49,313.04

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Solution

The fourth proportional to 89,599.29, 123,644.40 and 49,313.04 is: 68,050.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,599.29 : 123,644.40 = 49,313.04 : x
  2. Step 2: Convert to fraction form
    89,599.29/123,644.40 = 49,313.04/x
  3. Step 3: Cross multiply
    89,599.29x = 123,644.40 × 49,313.04
  4. Step 4: Simplify right side
    89,599.29x = 6,097,281,242.98
  5. Step 5: Solve for x
    x = 6,097,281,242.98/89,599.29
  6. Step 6: Final answer
    x = 68,050.55

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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.