Home / 108,790.46-162,967.07-55,480.28

Finding the Fourth Proportional to 108,790.46, 162,967.07 and 55,480.28

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Solution

The fourth proportional to 108,790.46, 162,967.07 and 55,480.28 is: 83,108.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,790.46 : 162,967.07 = 55,480.28 : x
  2. Step 2: Convert to fraction form
    108,790.46/162,967.07 = 55,480.28/x
  3. Step 3: Cross multiply
    108,790.46x = 162,967.07 × 55,480.28
  4. Step 4: Simplify right side
    108,790.46x = 9,041,457,998.24
  5. Step 5: Solve for x
    x = 9,041,457,998.24/108,790.46
  6. Step 6: Final answer
    x = 83,108.92

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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.