Home / 117,446.10-162,073.37-66,457.91

Finding the Fourth Proportional to 117,446.10, 162,073.37 and 66,457.91

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Solution

The fourth proportional to 117,446.10, 162,073.37 and 66,457.91 is: 91,710.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,446.10 : 162,073.37 = 66,457.91 : x
  2. Step 2: Convert to fraction form
    117,446.10/162,073.37 = 66,457.91/x
  3. Step 3: Cross multiply
    117,446.10x = 162,073.37 × 66,457.91
  4. Step 4: Simplify right side
    117,446.10x = 10,771,056,792.63
  5. Step 5: Solve for x
    x = 10,771,056,792.63/117,446.10
  6. Step 6: Final answer
    x = 91,710.64

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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.