Home / 117,741.40-176,628.50-42,847.58

Finding the Fourth Proportional to 117,741.40, 176,628.50 and 42,847.58

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Solution

The fourth proportional to 117,741.40, 176,628.50 and 42,847.58 is: 64,277.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,741.40 : 176,628.50 = 42,847.58 : x
  2. Step 2: Convert to fraction form
    117,741.40/176,628.50 = 42,847.58/x
  3. Step 3: Cross multiply
    117,741.40x = 176,628.50 × 42,847.58
  4. Step 4: Simplify right side
    117,741.40x = 7,568,104,172.04
  5. Step 5: Solve for x
    x = 7,568,104,172.04/117,741.40
  6. Step 6: Final answer
    x = 64,277.34

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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.