Home / 89,588.69-123,632.40-49,302.45

Finding the Fourth Proportional to 89,588.69, 123,632.40 and 49,302.45

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Solution

The fourth proportional to 89,588.69, 123,632.40 and 49,302.45 is: 68,037.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,588.69 : 123,632.40 = 49,302.45 : x
  2. Step 2: Convert to fraction form
    89,588.69/123,632.40 = 49,302.45/x
  3. Step 3: Cross multiply
    89,588.69x = 123,632.40 × 49,302.45
  4. Step 4: Simplify right side
    89,588.69x = 6,095,380,219.38
  5. Step 5: Solve for x
    x = 6,095,380,219.38/89,588.69
  6. Step 6: Final answer
    x = 68,037.39

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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.