Home / 92,955.08-139,407.72-40,352.06

Finding the Fourth Proportional to 92,955.08, 139,407.72 and 40,352.06

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Solution

The fourth proportional to 92,955.08, 139,407.72 and 40,352.06 is: 60,517.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,955.08 : 139,407.72 = 40,352.06 : x
  2. Step 2: Convert to fraction form
    92,955.08/139,407.72 = 40,352.06/x
  3. Step 3: Cross multiply
    92,955.08x = 139,407.72 × 40,352.06
  4. Step 4: Simplify right side
    92,955.08x = 5,625,388,879.10
  5. Step 5: Solve for x
    x = 5,625,388,879.10/92,955.08
  6. Step 6: Final answer
    x = 60,517.28

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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.