Home / 76,938.76-106,204.26-59,909.32

Finding the Fourth Proportional to 76,938.76, 106,204.26 and 59,909.32

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Solution

The fourth proportional to 76,938.76, 106,204.26 and 59,909.32 is: 82,697.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,938.76 : 106,204.26 = 59,909.32 : x
  2. Step 2: Convert to fraction form
    76,938.76/106,204.26 = 59,909.32/x
  3. Step 3: Cross multiply
    76,938.76x = 106,204.26 × 59,909.32
  4. Step 4: Simplify right side
    76,938.76x = 6,362,624,997.70
  5. Step 5: Solve for x
    x = 6,362,624,997.70/76,938.76
  6. Step 6: Final answer
    x = 82,697.26

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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.