Home / 92,711.11-139,072.53-35,812.15

Finding the Fourth Proportional to 92,711.11, 139,072.53 and 35,812.15

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Solution

The fourth proportional to 92,711.11, 139,072.53 and 35,812.15 is: 53,720.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,711.11 : 139,072.53 = 35,812.15 : x
  2. Step 2: Convert to fraction form
    92,711.11/139,072.53 = 35,812.15/x
  3. Step 3: Cross multiply
    92,711.11x = 139,072.53 × 35,812.15
  4. Step 4: Simplify right side
    92,711.11x = 4,980,485,430.82
  5. Step 5: Solve for x
    x = 4,980,485,430.82/92,711.11
  6. Step 6: Final answer
    x = 53,720.48

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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.