Home / 105,037.81-157,556.46-45,027.38

Finding the Fourth Proportional to 105,037.81, 157,556.46 and 45,027.38

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Solution

The fourth proportional to 105,037.81, 157,556.46 and 45,027.38 is: 67,540.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,037.81 : 157,556.46 = 45,027.38 : x
  2. Step 2: Convert to fraction form
    105,037.81/157,556.46 = 45,027.38/x
  3. Step 3: Cross multiply
    105,037.81x = 157,556.46 × 45,027.38
  4. Step 4: Simplify right side
    105,037.81x = 7,094,354,595.87
  5. Step 5: Solve for x
    x = 7,094,354,595.87/105,037.81
  6. Step 6: Final answer
    x = 67,540.96

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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.