Home / 49,121.40-73,666.60-21,034.04

Finding the Fourth Proportional to 49,121.40, 73,666.60 and 21,034.04

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Solution

The fourth proportional to 49,121.40, 73,666.60 and 21,034.04 is: 31,544.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,121.40 : 73,666.60 = 21,034.04 : x
  2. Step 2: Convert to fraction form
    49,121.40/73,666.60 = 21,034.04/x
  3. Step 3: Cross multiply
    49,121.40x = 73,666.60 × 21,034.04
  4. Step 4: Simplify right side
    49,121.40x = 1,549,506,211.06
  5. Step 5: Solve for x
    x = 1,549,506,211.06/49,121.40
  6. Step 6: Final answer
    x = 31,544.42

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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.