Home / 117,675.11-176,457.21-42,742.41

Finding the Fourth Proportional to 117,675.11, 176,457.21 and 42,742.41

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Solution

The fourth proportional to 117,675.11, 176,457.21 and 42,742.41 is: 64,093.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,675.11 : 176,457.21 = 42,742.41 : x
  2. Step 2: Convert to fraction form
    117,675.11/176,457.21 = 42,742.41/x
  3. Step 3: Cross multiply
    117,675.11x = 176,457.21 × 42,742.41
  4. Step 4: Simplify right side
    117,675.11x = 7,542,206,417.28
  5. Step 5: Solve for x
    x = 7,542,206,417.28/117,675.11
  6. Step 6: Final answer
    x = 64,093.48

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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.