Home / 45,827.41-68,719.38-17,760.55

Finding the Fourth Proportional to 45,827.41, 68,719.38 and 17,760.55

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Solution

The fourth proportional to 45,827.41, 68,719.38 and 17,760.55 is: 26,632.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,827.41 : 68,719.38 = 17,760.55 : x
  2. Step 2: Convert to fraction form
    45,827.41/68,719.38 = 17,760.55/x
  3. Step 3: Cross multiply
    45,827.41x = 68,719.38 × 17,760.55
  4. Step 4: Simplify right side
    45,827.41x = 1,220,493,984.46
  5. Step 5: Solve for x
    x = 1,220,493,984.46/45,827.41
  6. Step 6: Final answer
    x = 26,632.40

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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.