Home / 108,275.06-162,440.28-45,074.18

Finding the Fourth Proportional to 108,275.06, 162,440.28 and 45,074.18

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Solution

The fourth proportional to 108,275.06, 162,440.28 and 45,074.18 is: 67,622.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,275.06 : 162,440.28 = 45,074.18 : x
  2. Step 2: Convert to fraction form
    108,275.06/162,440.28 = 45,074.18/x
  3. Step 3: Cross multiply
    108,275.06x = 162,440.28 × 45,074.18
  4. Step 4: Simplify right side
    108,275.06x = 7,321,862,419.97
  5. Step 5: Solve for x
    x = 7,321,862,419.97/108,275.06
  6. Step 6: Final answer
    x = 67,622.80

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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.