Home / 82,369.74-113,680.26-53,720.04

Finding the Fourth Proportional to 82,369.74, 113,680.26 and 53,720.04

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Solution

The fourth proportional to 82,369.74, 113,680.26 and 53,720.04 is: 74,140.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,369.74 : 113,680.26 = 53,720.04 : x
  2. Step 2: Convert to fraction form
    82,369.74/113,680.26 = 53,720.04/x
  3. Step 3: Cross multiply
    82,369.74x = 113,680.26 × 53,720.04
  4. Step 4: Simplify right side
    82,369.74x = 6,106,908,114.41
  5. Step 5: Solve for x
    x = 6,106,908,114.41/82,369.74
  6. Step 6: Final answer
    x = 74,140.19

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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.