Home / 92,738.36-139,000.08-42,713.48

Finding the Fourth Proportional to 92,738.36, 139,000.08 and 42,713.48

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Solution

The fourth proportional to 92,738.36, 139,000.08 and 42,713.48 is: 64,020.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,738.36 : 139,000.08 = 42,713.48 : x
  2. Step 2: Convert to fraction form
    92,738.36/139,000.08 = 42,713.48/x
  3. Step 3: Cross multiply
    92,738.36x = 139,000.08 × 42,713.48
  4. Step 4: Simplify right side
    92,738.36x = 5,937,177,137.08
  5. Step 5: Solve for x
    x = 5,937,177,137.08/92,738.36
  6. Step 6: Final answer
    x = 64,020.73

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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.