Home / 117,457.47-162,091.41-63,742.48

Finding the Fourth Proportional to 117,457.47, 162,091.41 and 63,742.48

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Solution

The fourth proportional to 117,457.47, 162,091.41 and 63,742.48 is: 87,964.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,457.47 : 162,091.41 = 63,742.48 : x
  2. Step 2: Convert to fraction form
    117,457.47/162,091.41 = 63,742.48/x
  3. Step 3: Cross multiply
    117,457.47x = 162,091.41 × 63,742.48
  4. Step 4: Simplify right side
    117,457.47x = 10,332,108,460.10
  5. Step 5: Solve for x
    x = 10,332,108,460.10/117,457.47
  6. Step 6: Final answer
    x = 87,964.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.