Home / 75,984.15-113,812.20-49,412.10

Finding the Fourth Proportional to 75,984.15, 113,812.20 and 49,412.10

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Solution

The fourth proportional to 75,984.15, 113,812.20 and 49,412.10 is: 74,011.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,984.15 : 113,812.20 = 49,412.10 : x
  2. Step 2: Convert to fraction form
    75,984.15/113,812.20 = 49,412.10/x
  3. Step 3: Cross multiply
    75,984.15x = 113,812.20 × 49,412.10
  4. Step 4: Simplify right side
    75,984.15x = 5,623,699,807.62
  5. Step 5: Solve for x
    x = 5,623,699,807.62/75,984.15
  6. Step 6: Final answer
    x = 74,011.49

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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.