Home / 75,677.85-104,435.45-43,865.20

Finding the Fourth Proportional to 75,677.85, 104,435.45 and 43,865.20

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Solution

The fourth proportional to 75,677.85, 104,435.45 and 43,865.20 is: 60,533.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,677.85 : 104,435.45 = 43,865.20 : x
  2. Step 2: Convert to fraction form
    75,677.85/104,435.45 = 43,865.20/x
  3. Step 3: Cross multiply
    75,677.85x = 104,435.45 × 43,865.20
  4. Step 4: Simplify right side
    75,677.85x = 4,581,081,682.01
  5. Step 5: Solve for x
    x = 4,581,081,682.01/75,677.85
  6. Step 6: Final answer
    x = 60,533.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.