Home / 89,277.92-123,221.76-51,547.04

Finding the Fourth Proportional to 89,277.92, 123,221.76 and 51,547.04

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Solution

The fourth proportional to 89,277.92, 123,221.76 and 51,547.04 is: 71,145.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,277.92 : 123,221.76 = 51,547.04 : x
  2. Step 2: Convert to fraction form
    89,277.92/123,221.76 = 51,547.04/x
  3. Step 3: Cross multiply
    89,277.92x = 123,221.76 × 51,547.04
  4. Step 4: Simplify right side
    89,277.92x = 6,351,716,991.59
  5. Step 5: Solve for x
    x = 6,351,716,991.59/89,277.92
  6. Step 6: Final answer
    x = 71,145.44

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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.