Home / 92,131.45-137,940.55-47,055.22

Finding the Fourth Proportional to 92,131.45, 137,940.55 and 47,055.22

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Solution

The fourth proportional to 92,131.45, 137,940.55 and 47,055.22 is: 70,451.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,131.45 : 137,940.55 = 47,055.22 : x
  2. Step 2: Convert to fraction form
    92,131.45/137,940.55 = 47,055.22/x
  3. Step 3: Cross multiply
    92,131.45x = 137,940.55 × 47,055.22
  4. Step 4: Simplify right side
    92,131.45x = 6,490,822,927.17
  5. Step 5: Solve for x
    x = 6,490,822,927.17/92,131.45
  6. Step 6: Final answer
    x = 70,451.76

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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.