Home / 108,322.30-162,418.65-55,834.30

Finding the Fourth Proportional to 108,322.30, 162,418.65 and 55,834.30

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Solution

The fourth proportional to 108,322.30, 162,418.65 and 55,834.30 is: 83,718.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,322.30 : 162,418.65 = 55,834.30 : x
  2. Step 2: Convert to fraction form
    108,322.30/162,418.65 = 55,834.30/x
  3. Step 3: Cross multiply
    108,322.30x = 162,418.65 × 55,834.30
  4. Step 4: Simplify right side
    108,322.30x = 9,068,531,629.70
  5. Step 5: Solve for x
    x = 9,068,531,629.70/108,322.30
  6. Step 6: Final answer
    x = 83,718.05

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1.5x scale

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.