Home / 89,866.01-123,992.94-54,931.84

Finding the Fourth Proportional to 89,866.01, 123,992.94 and 54,931.84

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Solution

The fourth proportional to 89,866.01, 123,992.94 and 54,931.84 is: 75,792.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,866.01 : 123,992.94 = 54,931.84 : x
  2. Step 2: Convert to fraction form
    89,866.01/123,992.94 = 54,931.84/x
  3. Step 3: Cross multiply
    89,866.01x = 123,992.94 × 54,931.84
  4. Step 4: Simplify right side
    89,866.01x = 6,811,159,721.24
  5. Step 5: Solve for x
    x = 6,811,159,721.24/89,866.01
  6. Step 6: Final answer
    x = 75,792.39

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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.