Home / 45,742.10-68,613.15-28,246.10

Finding the Fourth Proportional to 45,742.10, 68,613.15 and 28,246.10

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Solution

The fourth proportional to 45,742.10, 68,613.15 and 28,246.10 is: 42,369.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,742.10 : 68,613.15 = 28,246.10 : x
  2. Step 2: Convert to fraction form
    45,742.10/68,613.15 = 28,246.10/x
  3. Step 3: Cross multiply
    45,742.10x = 68,613.15 × 28,246.10
  4. Step 4: Simplify right side
    45,742.10x = 1,938,053,896.22
  5. Step 5: Solve for x
    x = 1,938,053,896.22/45,742.10
  6. Step 6: Final answer
    x = 42,369.15

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Similar ratio
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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.