Home / 115,586.41-173,330.39-45,416.50

Finding the Fourth Proportional to 115,586.41, 173,330.39 and 45,416.50

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Solution

The fourth proportional to 115,586.41, 173,330.39 and 45,416.50 is: 68,105.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,586.41 : 173,330.39 = 45,416.50 : x
  2. Step 2: Convert to fraction form
    115,586.41/173,330.39 = 45,416.50/x
  3. Step 3: Cross multiply
    115,586.41x = 173,330.39 × 45,416.50
  4. Step 4: Simplify right side
    115,586.41x = 7,872,059,430.35
  5. Step 5: Solve for x
    x = 7,872,059,430.35/115,586.41
  6. Step 6: Final answer
    x = 68,105.41

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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.