Home / 45,719.76-68,570.04-17,630.16

Finding the Fourth Proportional to 45,719.76, 68,570.04 and 17,630.16

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Solution

The fourth proportional to 45,719.76, 68,570.04 and 17,630.16 is: 26,441.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,719.76 : 68,570.04 = 17,630.16 : x
  2. Step 2: Convert to fraction form
    45,719.76/68,570.04 = 17,630.16/x
  3. Step 3: Cross multiply
    45,719.76x = 68,570.04 × 17,630.16
  4. Step 4: Simplify right side
    45,719.76x = 1,208,900,776.41
  5. Step 5: Solve for x
    x = 1,208,900,776.41/45,719.76
  6. Step 6: Final answer
    x = 26,441.54

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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.