Home / 65,968.40-99,010.20-52,787.60

Finding the Fourth Proportional to 65,968.40, 99,010.20 and 52,787.60

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Solution

The fourth proportional to 65,968.40, 99,010.20 and 52,787.60 is: 79,227.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,968.40 : 99,010.20 = 52,787.60 : x
  2. Step 2: Convert to fraction form
    65,968.40/99,010.20 = 52,787.60/x
  3. Step 3: Cross multiply
    65,968.40x = 99,010.20 × 52,787.60
  4. Step 4: Simplify right side
    65,968.40x = 5,226,510,833.52
  5. Step 5: Solve for x
    x = 5,226,510,833.52/65,968.40
  6. Step 6: Final answer
    x = 79,227.49

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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.