Home / 75,852.34-113,816.91-51,176.50

Finding the Fourth Proportional to 75,852.34, 113,816.91 and 51,176.50

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Solution

The fourth proportional to 75,852.34, 113,816.91 and 51,176.50 is: 76,790.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,852.34 : 113,816.91 = 51,176.50 : x
  2. Step 2: Convert to fraction form
    75,852.34/113,816.91 = 51,176.50/x
  3. Step 3: Cross multiply
    75,852.34x = 113,816.91 × 51,176.50
  4. Step 4: Simplify right side
    75,852.34x = 5,824,751,094.62
  5. Step 5: Solve for x
    x = 5,824,751,094.62/75,852.34
  6. Step 6: Final answer
    x = 76,790.66

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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.