Home / 92,803.21-139,222.13-42,850.31

Finding the Fourth Proportional to 92,803.21, 139,222.13 and 42,850.31

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Solution

The fourth proportional to 92,803.21, 139,222.13 and 42,850.31 is: 64,283.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,803.21 : 139,222.13 = 42,850.31 : x
  2. Step 2: Convert to fraction form
    92,803.21/139,222.13 = 42,850.31/x
  3. Step 3: Cross multiply
    92,803.21x = 139,222.13 × 42,850.31
  4. Step 4: Simplify right side
    92,803.21x = 5,965,711,536.49
  5. Step 5: Solve for x
    x = 5,965,711,536.49/92,803.21
  6. Step 6: Final answer
    x = 64,283.46

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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.