Home / 77,732.02-116,524.21-30,377.49

Finding the Fourth Proportional to 77,732.02, 116,524.21 and 30,377.49

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Solution

The fourth proportional to 77,732.02, 116,524.21 and 30,377.49 is: 45,537.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,732.02 : 116,524.21 = 30,377.49 : x
  2. Step 2: Convert to fraction form
    77,732.02/116,524.21 = 30,377.49/x
  3. Step 3: Cross multiply
    77,732.02x = 116,524.21 × 30,377.49
  4. Step 4: Simplify right side
    77,732.02x = 3,539,712,799.53
  5. Step 5: Solve for x
    x = 3,539,712,799.53/77,732.02
  6. Step 6: Final answer
    x = 45,537.39

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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.