Home / 117,457.74-162,130.21-69,057.33

Finding the Fourth Proportional to 117,457.74, 162,130.21 and 69,057.33

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Solution

The fourth proportional to 117,457.74, 162,130.21 and 69,057.33 is: 95,321.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,457.74 : 162,130.21 = 69,057.33 : x
  2. Step 2: Convert to fraction form
    117,457.74/162,130.21 = 69,057.33/x
  3. Step 3: Cross multiply
    117,457.74x = 162,130.21 × 69,057.33
  4. Step 4: Simplify right side
    117,457.74x = 11,196,278,993.46
  5. Step 5: Solve for x
    x = 11,196,278,993.46/117,457.74
  6. Step 6: Final answer
    x = 95,321.77

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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.