Home / 45,749.64-68,646.34-25,775.04

Finding the Fourth Proportional to 45,749.64, 68,646.34 and 25,775.04

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Solution

The fourth proportional to 45,749.64, 68,646.34 and 25,775.04 is: 38,674.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,749.64 : 68,646.34 = 25,775.04 : x
  2. Step 2: Convert to fraction form
    45,749.64/68,646.34 = 25,775.04/x
  3. Step 3: Cross multiply
    45,749.64x = 68,646.34 × 25,775.04
  4. Step 4: Simplify right side
    45,749.64x = 1,769,362,159.35
  5. Step 5: Solve for x
    x = 1,769,362,159.35/45,749.64
  6. Step 6: Final answer
    x = 38,674.89

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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.