Home / 45,749.56-68,632.08-15,762.64

Finding the Fourth Proportional to 45,749.56, 68,632.08 and 15,762.64

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Solution

The fourth proportional to 45,749.56, 68,632.08 and 15,762.64 is: 23,646.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,749.56 : 68,632.08 = 15,762.64 : x
  2. Step 2: Convert to fraction form
    45,749.56/68,632.08 = 15,762.64/x
  3. Step 3: Cross multiply
    45,749.56x = 68,632.08 × 15,762.64
  4. Step 4: Simplify right side
    45,749.56x = 1,081,822,769.49
  5. Step 5: Solve for x
    x = 1,081,822,769.49/45,749.56
  6. Step 6: Final answer
    x = 23,646.63

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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.