Home / 57,013.13-85,483.46-50,007.21

Finding the Fourth Proportional to 57,013.13, 85,483.46 and 50,007.21

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Solution

The fourth proportional to 57,013.13, 85,483.46 and 50,007.21 is: 74,979.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,013.13 : 85,483.46 = 50,007.21 : x
  2. Step 2: Convert to fraction form
    57,013.13/85,483.46 = 50,007.21/x
  3. Step 3: Cross multiply
    57,013.13x = 85,483.46 × 50,007.21
  4. Step 4: Simplify right side
    57,013.13x = 4,274,789,085.71
  5. Step 5: Solve for x
    x = 4,274,789,085.71/57,013.13
  6. Step 6: Final answer
    x = 74,979.03

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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.