Home / 66,270.49-99,468.01-34,703.20

Finding the Fourth Proportional to 66,270.49, 99,468.01 and 34,703.20

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Solution

The fourth proportional to 66,270.49, 99,468.01 and 34,703.20 is: 52,087.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,270.49 : 99,468.01 = 34,703.20 : x
  2. Step 2: Convert to fraction form
    66,270.49/99,468.01 = 34,703.20/x
  3. Step 3: Cross multiply
    66,270.49x = 99,468.01 × 34,703.20
  4. Step 4: Simplify right side
    66,270.49x = 3,451,858,244.63
  5. Step 5: Solve for x
    x = 3,451,858,244.63/66,270.49
  6. Step 6: Final answer
    x = 52,087.41

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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.