Home / 74,710.49-112,056.48-30,294.54

Finding the Fourth Proportional to 74,710.49, 112,056.48 and 30,294.54

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Solution

The fourth proportional to 74,710.49, 112,056.48 and 30,294.54 is: 45,438.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,710.49 : 112,056.48 = 30,294.54 : x
  2. Step 2: Convert to fraction form
    74,710.49/112,056.48 = 30,294.54/x
  3. Step 3: Cross multiply
    74,710.49x = 112,056.48 × 30,294.54
  4. Step 4: Simplify right side
    74,710.49x = 3,394,699,515.62
  5. Step 5: Solve for x
    x = 3,394,699,515.62/74,710.49
  6. Step 6: Final answer
    x = 45,438.06

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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.