Home / 50,492.08-75,687.08-20,869.04

Finding the Fourth Proportional to 50,492.08, 75,687.08 and 20,869.04

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Solution

The fourth proportional to 50,492.08, 75,687.08 and 20,869.04 is: 31,282.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,492.08 : 75,687.08 = 20,869.04 : x
  2. Step 2: Convert to fraction form
    50,492.08/75,687.08 = 20,869.04/x
  3. Step 3: Cross multiply
    50,492.08x = 75,687.08 × 20,869.04
  4. Step 4: Simplify right side
    50,492.08x = 1,579,516,700.00
  5. Step 5: Solve for x
    x = 1,579,516,700.00/50,492.08
  6. Step 6: Final answer
    x = 31,282.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.