Home / 75,815.34-104,624.01-43,989.72

Finding the Fourth Proportional to 75,815.34, 104,624.01 and 43,989.72

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Solution

The fourth proportional to 75,815.34, 104,624.01 and 43,989.72 is: 60,705.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,815.34 : 104,624.01 = 43,989.72 : x
  2. Step 2: Convert to fraction form
    75,815.34/104,624.01 = 43,989.72/x
  3. Step 3: Cross multiply
    75,815.34x = 104,624.01 × 43,989.72
  4. Step 4: Simplify right side
    75,815.34x = 4,602,380,905.18
  5. Step 5: Solve for x
    x = 4,602,380,905.18/75,815.34
  6. Step 6: Final answer
    x = 60,705.14

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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.