Home / 49,613.70-74,419.96-12,173.40

Finding the Fourth Proportional to 49,613.70, 74,419.96 and 12,173.40

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Solution

The fourth proportional to 49,613.70, 74,419.96 and 12,173.40 is: 18,259.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,613.70 : 74,419.96 = 12,173.40 : x
  2. Step 2: Convert to fraction form
    49,613.70/74,419.96 = 12,173.40/x
  3. Step 3: Cross multiply
    49,613.70x = 74,419.96 × 12,173.40
  4. Step 4: Simplify right side
    49,613.70x = 905,943,941.06
  5. Step 5: Solve for x
    x = 905,943,941.06/49,613.70
  6. Step 6: Final answer
    x = 18,259.96

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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.